252755530025 has 12 divisors (see below), whose sum is σ = 321061172124. Its totient is φ = 197272608000.

The previous prime is 252755530003. The next prime is 252755530073. The reversal of 252755530025 is 520035557252.

It can be written as a sum of positive squares in 6 ways, for example, as 1590175129 + 251165354896 = 39877^2 + 501164^2 .

It is not a de Polignac number, because 252755530025 - 2¹⁸ = 252755267881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123294356 + ... + 123296405.

It is an arithmetic number, because the mean of its divisors is an integer number (26755097677).

Almost surely, 2^252755530025 is an apocalyptic number.

252755530025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252755530025 is a deficient number, since it is larger than the sum of its proper divisors (68305642099).

252755530025 is a wasteful number, since it uses less digits than its factorization.

252755530025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246590812 (or 246590807 counting only the distinct ones).

The product of its (nonzero) digits is 525000, while the sum is 41.

The spelling of 252755530025 in words is "two hundred fifty-two billion, seven hundred fifty-five million, five hundred thirty thousand, twenty-five".