253257377 has 8 divisors (see below), whose sum is σ = 262836840. Its totient is φ = 243734400.

The previous prime is 253257371. The next prime is 253257409. The reversal of 253257377 is 773752352.

It can be written as a sum of positive squares in 4 ways, for example, as 20511841 + 232745536 = 4529^2 + 15256^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253257377 - 2²⁶ = 186148513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253257371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4874 + ... + 23027.

It is an arithmetic number, because the mean of its divisors is an integer number (32854605).

Almost surely, 2^253257377 is an apocalyptic number.

It is an amenable number.

253257377 is a deficient number, since it is larger than the sum of its proper divisors (9579463).

253257377 is a wasteful number, since it uses less digits than its factorization.

253257377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28243.

The product of its digits is 308700, while the sum is 41.

The square root of 253257377 is about 15914.0622406726. The cubic root of 253257377 is about 632.6847524362.

The spelling of 253257377 in words is "two hundred fifty-three million, two hundred fifty-seven thousand, three hundred seventy-seven".