252551441 has 4 divisors (see below), whose sum is σ = 252726000. Its totient is φ = 252376884.

The previous prime is 252551423. The next prime is 252551443. The reversal of 252551441 is 144155252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252551441 - 2²⁶ = 185442577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252551443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85091 + ... + 88008.

It is an arithmetic number, because the mean of its divisors is an integer number (63181500).

Almost surely, 2^252551441 is an apocalyptic number.

It is an amenable number.

252551441 is a deficient number, since it is larger than the sum of its proper divisors (174559).

252551441 is a wasteful number, since it uses less digits than its factorization.

252551441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174558.

The product of its digits is 8000, while the sum is 29.

The square root of 252551441 is about 15891.8671338518. The cubic root of 252551441 is about 632.0963515774.

The spelling of 252551441 in words is "two hundred fifty-two million, five hundred fifty-one thousand, four hundred forty-one".