252053304569 has 16 divisors (see below), whose sum is σ = 285461245440. Its totient is φ = 220450608000.

The previous prime is 252053304557. The next prime is 252053304599. The reversal of 252053304569 is 965403350252.

It is a cyclic number.

It is not a de Polignac number, because 252053304569 - 2⁸ = 252053304313 is a prime.

It is a super-2 number, since 2×252053304569² (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 (252053304509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1316297 + ... + 1495574.

It is an arithmetic number, because the mean of its divisors is an integer number (17841327840).

Almost surely, 2^252053304569 is an apocalyptic number.

252053304569 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

252053304569 is a deficient number, since it is larger than the sum of its proper divisors (33407940871).

252053304569 is a wasteful number, since it uses less digits than its factorization.

252053304569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812192.

The product of its (nonzero) digits is 972000, while the sum is 44.

The spelling of 252053304569 in words is "two hundred fifty-two billion, fifty-three million, three hundred four thousand, five hundred sixty-nine".