253250997 has 16 divisors (see below), whose sum is σ = 360583680. Its totient is φ = 157752000.

The previous prime is 253250947. The next prime is 253251001. The reversal of 253250997 is 799052352.

It is not a de Polignac number, because 253250997 - 2⁷ = 253250869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253250947) 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, 44254 + ... + 49647.

It is an arithmetic number, because the mean of its divisors is an integer number (22536480).

Almost surely, 2^253250997 is an apocalyptic number.

It is an amenable number.

253250997 is a deficient number, since it is larger than the sum of its proper divisors (107332683).

253250997 is a wasteful number, since it uses less digits than its factorization.

253250997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93964.

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 253250997 is about 15913.8617877623. The cubic root of 253250997 is about 632.6794395767.

The spelling of 253250997 in words is "two hundred fifty-three million, two hundred fifty thousand, nine hundred ninety-seven".