252460561 has 4 divisors (see below), whose sum is σ = 252596800. Its totient is φ = 252324324.

The previous prime is 252460513. The next prime is 252460589. The reversal of 252460561 is 165064252.

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 252460561 - 2⁷ = 252460433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252460501) 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 3 ways as a sum of consecutive naturals, for example, 65301 + ... + 69058.

It is an arithmetic number, because the mean of its divisors is an integer number (63149200).

Almost surely, 2^252460561 is an apocalyptic number.

It is an amenable number.

252460561 is a deficient number, since it is larger than the sum of its proper divisors (136239).

252460561 is a wasteful number, since it uses less digits than its factorization.

252460561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136238.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 252460561 is about 15889.0075523929. The cubic root of 252460561 is about 632.0205230544.

The spelling of 252460561 in words is "two hundred fifty-two million, four hundred sixty thousand, five hundred sixty-one".