253501465 has 16 divisors (see below), whose sum is σ = 353554560. Its totient is φ = 170881920.

The previous prime is 253501403. The next prime is 253501513. The reversal of 253501465 is 564105352.

It is not a de Polignac number, because 253501465 - 2²⁷ = 119283737 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59316 + ... + 63445.

It is an arithmetic number, because the mean of its divisors is an integer number (22097160).

Almost surely, 2^253501465 is an apocalyptic number.

It is an amenable number.

253501465 is a deficient number, since it is larger than the sum of its proper divisors (100053095).

253501465 is a wasteful number, since it uses less digits than its factorization.

253501465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122832.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 253501465 is about 15921.7293344662. The cubic root of 253501465 is about 632.8879464768.

The spelling of 253501465 in words is "two hundred fifty-three million, five hundred one thousand, four hundred sixty-five".