252641499 has 32 divisors (see below), whose sum is σ = 403660800. Its totient is φ = 138742560.

The previous prime is 252641381. The next prime is 252641503. The reversal of 252641499 is 994146252.

252641499 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 252641499 - 2¹¹ = 252639451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252641499.

It is not an unprimeable number, because it can be changed into a prime (252641099) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5662 + ... + 23180.

It is an arithmetic number, because the mean of its divisors is an integer number (12614400).

Almost surely, 2^252641499 is an apocalyptic number.

252641499 is a deficient number, since it is larger than the sum of its proper divisors (151019301).

252641499 is a wasteful number, since it uses less digits than its factorization.

252641499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17575.

The product of its digits is 155520, while the sum is 42.

The square root of 252641499 is about 15894.7003431962. The cubic root of 252641499 is about 632.1714762965.

The spelling of 252641499 in words is "two hundred fifty-two million, six hundred forty-one thousand, four hundred ninety-nine".