252041149369 has 9 divisors (see below), whose sum is σ = 266014715493. Its totient is φ = 238766789052.

The previous prime is 252041149357. The next prime is 252041149421. The reversal of 252041149369 is 963941140252.

The square root of 252041149369 is 502037.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 252041149369 - 2²⁷ = 251906931641 is a prime.

It is a super-2 number, since 2×252041149369² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252041143369) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9525492 + ... + 9551914.

Almost surely, 2^252041149369 is an apocalyptic number.

252041149369 is the 502037-th square number.

252041149369 is the 251019-th centered octagonal number.

It is an amenable number.

252041149369 is a deficient number, since it is larger than the sum of its proper divisors (13973566124).

252041149369 is an frugal number, since it uses more digits than its factorization.

252041149369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52884 (or 26442 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 252041149369 in words is "two hundred fifty-two billion, forty-one million, one hundred forty-nine thousand, three hundred sixty-nine".