253025357 has 4 divisors (see below), whose sum is σ = 272488860. Its totient is φ = 233561856.

The previous prime is 253025347. The next prime is 253025359. The reversal of 253025357 is 753520352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96550276 + 156475081 = 9826^2 + 12509^2 .

It is a cyclic number.

It is not a de Polignac number, because 253025357 - 2⁶ = 253025293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253025359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9731732 + ... + 9731757.

It is an arithmetic number, because the mean of its divisors is an integer number (68122215).

Almost surely, 2^253025357 is an apocalyptic number.

It is an amenable number.

253025357 is a deficient number, since it is larger than the sum of its proper divisors (19463503).

253025357 is a wasteful number, since it uses less digits than its factorization.

253025357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19463502.

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 253025357 is about 15906.7707910814. The cubic root of 253025357 is about 632.4914834788.

The spelling of 253025357 in words is "two hundred fifty-three million, twenty-five thousand, three hundred fifty-seven".