253340566 has 16 divisors (see below), whose sum is σ = 402897600. Its totient is φ = 119137608.

The previous prime is 253340557. The next prime is 253340569. The reversal of 253340566 is 665043352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253340569) 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, 18700 + ... + 29263.

It is an arithmetic number, because the mean of its divisors is an integer number (25181100).

Almost surely, 2^253340566 is an apocalyptic number.

253340566 is a deficient number, since it is larger than the sum of its proper divisors (149557034).

253340566 is a wasteful number, since it uses less digits than its factorization.

253340566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48123.

The product of its (nonzero) digits is 64800, while the sum is 34.

The square root of 253340566 is about 15916.6757207653. The cubic root of 253340566 is about 632.7540187964.

The spelling of 253340566 in words is "two hundred fifty-three million, three hundred forty thousand, five hundred sixty-six".