253543074 has 32 divisors (see below), whose sum is σ = 516741120. Its totient is φ = 82918992.

The previous prime is 253543067. The next prime is 253543123. The reversal of 253543074 is 470345352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77557 + ... + 80759.

It is an arithmetic number, because the mean of its divisors is an integer number (16148160).

Almost surely, 2^253543074 is an apocalyptic number.

253543074 is an abundant number, since it is smaller than the sum of its proper divisors (263198046).

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

253543074 is a wasteful number, since it uses less digits than its factorization.

253543074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3454.

The product of its (nonzero) digits is 50400, while the sum is 33.

The square root of 253543074 is about 15923.0359542394. The cubic root of 253543074 is about 632.9225713838.

The spelling of 253543074 in words is "two hundred fifty-three million, five hundred forty-three thousand, seventy-four".