253425551 has 16 divisors (see below), whose sum is σ = 266595840. Its totient is φ = 240649920.

The previous prime is 253425517. The next prime is 253425563. The reversal of 253425551 is 155524352.

It is a cyclic number.

It is not a de Polignac number, because 253425551 - 2²² = 249231247 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 (253425251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668480 + ... + 668858.

It is an arithmetic number, because the mean of its divisors is an integer number (16662240).

Almost surely, 2^253425551 is an apocalyptic number.

253425551 is a deficient number, since it is larger than the sum of its proper divisors (13170289).

253425551 is a wasteful number, since it uses less digits than its factorization.

253425551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814.

The product of its digits is 30000, while the sum is 32.

The square root of 253425551 is about 15919.3451812567. The cubic root of 253425551 is about 632.8247649192.

The spelling of 253425551 in words is "two hundred fifty-three million, four hundred twenty-five thousand, five hundred fifty-one".