253322670 has 32 divisors (see below), whose sum is σ = 610237440. Its totient is φ = 67301280.

The previous prime is 253322653. The next prime is 253322677. The reversal of 253322670 is 76223352.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253322677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7450 + ... + 23709.

It is an arithmetic number, because the mean of its divisors is an integer number (19069920).

Almost surely, 2^253322670 is an apocalyptic number.

253322670 is an abundant number, since it is smaller than the sum of its proper divisors (356914770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253322670 is a wasteful number, since it uses less digits than its factorization.

253322670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31440.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 253322670 is about 15916.1135331462. The cubic root of 253322670 is about 632.7391191790.

The spelling of 253322670 in words is "two hundred fifty-three million, three hundred twenty-two thousand, six hundred seventy".