253971460 has 12 divisors (see below), whose sum is σ = 533340108. Its totient is φ = 101588576.

The previous prime is 253971427. The next prime is 253971463. The reversal of 253971460 is 64179352.

It can be written as a sum of positive squares in 2 ways, for example, as 27709696 + 226261764 = 5264^2 + 15042^2 .

It is not an unprimeable number, because it can be changed into a prime (253971463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6349267 + ... + 6349306.

It is an arithmetic number, because the mean of its divisors is an integer number (44445009).

Almost surely, 2^253971460 is an apocalyptic number.

253971460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253971460 is an abundant number, since it is smaller than the sum of its proper divisors (279368648).

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

253971460 is a wasteful number, since it uses less digits than its factorization.

253971460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12698582 (or 12698580 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 253971460 is about 15936.4820459222. The cubic root of 253971460 is about 633.2788324908.

The spelling of 253971460 in words is "two hundred fifty-three million, nine hundred seventy-one thousand, four hundred sixty".