252445413 has 64 divisors (see below), whose sum is σ = 397135872. Its totient is φ = 141223680.

The previous prime is 252445411. The next prime is 252445441. The reversal of 252445413 is 314544252.

It is not a de Polignac number, because 252445413 - 2¹ = 252445411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252445411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3041470 + ... + 3041552.

It is an arithmetic number, because the mean of its divisors is an integer number (6205248).

Almost surely, 2^252445413 is an apocalyptic number.

It is an amenable number.

252445413 is a deficient number, since it is larger than the sum of its proper divisors (144690459).

252445413 is a wasteful number, since it uses less digits than its factorization.

252445413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234.

The product of its digits is 19200, while the sum is 30.

The square root of 252445413 is about 15888.5308634877. The cubic root of 252445413 is about 632.0078820854.

Adding to 252445413 its reverse (314544252), we get a palindrome (566989665).

The spelling of 252445413 in words is "two hundred fifty-two million, four hundred forty-five thousand, four hundred thirteen".