253674557 has 8 divisors (see below), whose sum is σ = 261055872. Its totient is φ = 246376000.

The previous prime is 253674517. The next prime is 253674559. The reversal of 253674557 is 755476352.

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 253674557 - 2²⁴ = 236897341 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 (253674559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14444 + ... + 26757.

It is an arithmetic number, because the mean of its divisors is an integer number (32631984).

Almost surely, 2^253674557 is an apocalyptic number.

It is an amenable number.

253674557 is a deficient number, since it is larger than the sum of its proper divisors (7381315).

253674557 is a wasteful number, since it uses less digits than its factorization.

253674557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41379.

The product of its digits is 882000, while the sum is 44.

The square root of 253674557 is about 15927.1641229693. The cubic root of 253674557 is about 633.0319599991.

The spelling of 253674557 in words is "two hundred fifty-three million, six hundred seventy-four thousand, five hundred fifty-seven".