252513461 has 16 divisors (see below), whose sum is σ = 271440000. Its totient is φ = 234880704.

The previous prime is 252513449. The next prime is 252513463. The reversal of 252513461 is 164315252.

252513461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252513461 - 2⁶ = 252513397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252513463) 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, 505790 + ... + 506288.

It is an arithmetic number, because the mean of its divisors is an integer number (16965000).

Almost surely, 2^252513461 is an apocalyptic number.

It is an amenable number.

252513461 is a deficient number, since it is larger than the sum of its proper divisors (18926539).

252513461 is an equidigital number, since it uses as much as digits as its factorization.

252513461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 619 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 252513461 is about 15890.6721380815. The cubic root of 252513461 is about 632.0646640093.

The spelling of 252513461 in words is "two hundred fifty-two million, five hundred thirteen thousand, four hundred sixty-one".