252415553 has 8 divisors (see below), whose sum is σ = 272008296. Its totient is φ = 232848000.

The previous prime is 252415549. The next prime is 252415561. The reversal of 252415553 is 355514252.

It can be written as a sum of positive squares in 4 ways, for example, as 3659569 + 248755984 = 1913^2 + 15772^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 252415553 - 2² = 252415549 is a prime.

It is a super-2 number, since 2×252415553² = 127427222792591618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252415523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18023 + ... + 28803.

It is an arithmetic number, because the mean of its divisors is an integer number (34001037).

Almost surely, 2^252415553 is an apocalyptic number.

It is an amenable number.

252415553 is a deficient number, since it is larger than the sum of its proper divisors (19592743).

252415553 is a wasteful number, since it uses less digits than its factorization.

252415553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12595.

The product of its digits is 30000, while the sum is 32.

The square root of 252415553 is about 15887.5911641759. The cubic root of 252415553 is about 631.9829625074.

The spelling of 252415553 in words is "two hundred fifty-two million, four hundred fifteen thousand, five hundred fifty-three".