253214490 has 32 divisors (see below), whose sum is σ = 643464000. Its totient is φ = 63551744.

The previous prime is 253214459. The next prime is 253214527. The reversal of 253214490 is 94412352.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247740 + ... + 248759.

It is an arithmetic number, because the mean of its divisors is an integer number (20108250).

Almost surely, 2^253214490 is an apocalyptic number.

253214490 is an abundant number, since it is smaller than the sum of its proper divisors (390249510).

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

253214490 is a wasteful number, since it uses less digits than its factorization.

253214490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496526.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 253214490 is about 15912.7147275379. The cubic root of 253214490 is about 632.6490371452.

The spelling of 253214490 in words is "two hundred fifty-three million, two hundred fourteen thousand, four hundred ninety".