252758553 has 8 divisors (see below), whose sum is σ = 337091328. Its totient is φ = 168465744.

The previous prime is 252758549. The next prime is 252758557. The reversal of 252758553 is 355857252.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (252758549) and next prime (252758557).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252758553 - 2² = 252758549 is a prime.

It is a super-2 number, since 2×252758553² = 127773772229307618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252758557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11175 + ... + 25107.

It is an arithmetic number, because the mean of its divisors is an integer number (42136416).

Almost surely, 2^252758553 is an apocalyptic number.

It is an amenable number.

252758553 is a deficient number, since it is larger than the sum of its proper divisors (84332775).

252758553 is a wasteful number, since it uses less digits than its factorization.

252758553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19983.

The product of its digits is 420000, while the sum is 42.

The square root of 252758553 is about 15898.3820874956. The cubic root of 252758553 is about 632.2690939021.

The spelling of 252758553 in words is "two hundred fifty-two million, seven hundred fifty-eight thousand, five hundred fifty-three".