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1252572103 is a prime number
BaseRepresentation
bin100101010101000…
…1011101111000111
310020021221020220101
41022222023233013
510031124301403
6324142544531
743016454466
oct11252135707
93207836811
101252572103
11593053a62
122ab598147
1316c670533
14bc4d69dd
1574e7271d
hex4aa8bbc7

1252572103 has 2 divisors, whose sum is σ = 1252572104. Its totient is φ = 1252572102.

The previous prime is 1252572091. The next prime is 1252572107. The reversal of 1252572103 is 3012752521.

It is a strong prime.

It is an emirp because it is prime and its reverse (3012752521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1252572103 - 25 = 1252572071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252572107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626286051 + 626286052.

It is an arithmetic number, because the mean of its divisors is an integer number (626286052).

Almost surely, 21252572103 is an apocalyptic number.

1252572103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252572103 is an equidigital number, since it uses as much as digits as its factorization.

1252572103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1252572103 is about 35391.6953959541. The cubic root of 1252572103 is about 1077.9556958740.

The spelling of 1252572103 in words is "one billion, two hundred fifty-two million, five hundred seventy-two thousand, one hundred three".