253051494 has 16 divisors (see below), whose sum is σ = 535873968. Its totient is φ = 79388672.

The previous prime is 253051493. The next prime is 253051529. The reversal of 253051494 is 494150352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253051493) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1240347 + ... + 1240550.

It is an arithmetic number, because the mean of its divisors is an integer number (33492123).

Almost surely, 2^253051494 is an apocalyptic number.

253051494 is an abundant number, since it is smaller than the sum of its proper divisors (282822474).

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

253051494 is a wasteful number, since it uses less digits than its factorization.

253051494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480919.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 253051494 is about 15907.5923382516. The cubic root of 253051494 is about 632.5132610863.

The spelling of 253051494 in words is "two hundred fifty-three million, fifty-one thousand, four hundred ninety-four".