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1252504069 is a prime number
BaseRepresentation
bin100101010100111…
…1011001000000101
310020021210210120121
41022221323020011
510031120112234
6324141301541
743016052235
oct11251731005
93207723517
101252504069
11593007933
122ab5648b1
1316c64858b
14bc4b9cc5
1574e5c4b4
hex4aa7b205

1252504069 has 2 divisors, whose sum is σ = 1252504070. Its totient is φ = 1252504068.

The previous prime is 1252504037. The next prime is 1252504103. The reversal of 1252504069 is 9604052521.

It is a happy number.

It is an a-pointer prime, because the next prime (1252504103) can be obtained adding 1252504069 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1173062500 + 79441569 = 34250^2 + 8913^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252504069 - 25 = 1252504037 is a prime.

It is a super-2 number, since 2×12525040692 = 3137532885723113522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252504009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626252034 + 626252035.

It is an arithmetic number, because the mean of its divisors is an integer number (626252035).

Almost surely, 21252504069 is an apocalyptic number.

It is an amenable number.

1252504069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252504069 is an equidigital number, since it uses as much as digits as its factorization.

1252504069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 1252504069 is about 35390.7342252178. The cubic root of 1252504069 is about 1077.9361789761.

The spelling of 1252504069 in words is "one billion, two hundred fifty-two million, five hundred four thousand, sixty-nine".