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52402253 is a prime number
BaseRepresentation
bin1100011111100…
…1100001001101
310122121022101012
43013321201031
5101403333003
65111055005
71204261151
oct307714115
9118538335
1052402253
1127641652
1215671465
13ab19967
146d61061
1549018d8
hex31f984d

52402253 has 2 divisors, whose sum is σ = 52402254. Its totient is φ = 52402252.

The previous prime is 52402243. The next prime is 52402267. The reversal of 52402253 is 35220425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47375689 + 5026564 = 6883^2 + 2242^2 .

It is a cyclic number.

It is not a de Polignac number, because 52402253 - 24 = 52402237 is a prime.

It is a super-2 number, since 2×524022532 = 5491992238952018, which contains 22 as substring.

It is a Chen prime.

It is equal to p3136442 and since 52402253 and 3136442 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52402243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26201126 + 26201127.

It is an arithmetic number, because the mean of its divisors is an integer number (26201127).

Almost surely, 252402253 is an apocalyptic number.

It is an amenable number.

52402253 is a deficient number, since it is larger than the sum of its proper divisors (1).

52402253 is an equidigital number, since it uses as much as digits as its factorization.

52402253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 52402253 is about 7238.9400467195. The cubic root of 52402253 is about 374.2110893356.

Adding to 52402253 its reverse (35220425), we get a palindrome (87622678).

The spelling of 52402253 in words is "fifty-two million, four hundred two thousand, two hundred fifty-three".