253571057 has 8 divisors (see below), whose sum is σ = 256838400. Its totient is φ = 250313184.

The previous prime is 253571053. The next prime is 253571089. The reversal of 253571057 is 750175352.

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 253571057 - 2² = 253571053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253571053) 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, 62744 + ... + 66662.

It is an arithmetic number, because the mean of its divisors is an integer number (32104800).

Almost surely, 2^253571057 is an apocalyptic number.

It is an amenable number.

253571057 is a deficient number, since it is larger than the sum of its proper divisors (3267343).

253571057 is an equidigital number, since it uses as much as digits as its factorization.

253571057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4735.

The product of its (nonzero) digits is 36750, while the sum is 35.

The square root of 253571057 is about 15923.9146254933. The cubic root of 253571057 is about 632.9458552917.

The spelling of 253571057 in words is "two hundred fifty-three million, five hundred seventy-one thousand, fifty-seven".