253433015 has 32 divisors (see below), whose sum is σ = 340402176. Its totient is φ = 179570560.

The previous prime is 253432997. The next prime is 253433023. The reversal of 253433015 is 510334352.

It is not a de Polignac number, because 253433015 - 2¹⁸ = 253170871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 661514 + ... + 661896.

It is an arithmetic number, because the mean of its divisors is an integer number (10637568).

Almost surely, 2^253433015 is an apocalyptic number.

253433015 is a deficient number, since it is larger than the sum of its proper divisors (86969161).

253433015 is a wasteful number, since it uses less digits than its factorization.

253433015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 253433015 is about 15919.5796112837. The cubic root of 253433015 is about 632.8309776020.

Adding to 253433015 its reverse (510334352), we get a palindrome (763767367).

The spelling of 253433015 in words is "two hundred fifty-three million, four hundred thirty-three thousand, fifteen".