253574463 has 16 divisors (see below), whose sum is σ = 358293600. Its totient is φ = 159237120.

The previous prime is 253574449. The next prime is 253574491. The reversal of 253574463 is 364475352.

It is not a de Polignac number, because 253574463 - 2¹² = 253570367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253574413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31978 + ... + 39111.

It is an arithmetic number, because the mean of its divisors is an integer number (22393350).

Almost surely, 2^253574463 is an apocalyptic number.

253574463 is a deficient number, since it is larger than the sum of its proper divisors (104719137).

253574463 is a wasteful number, since it uses less digits than its factorization.

253574463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71162.

The product of its digits is 302400, while the sum is 39.

The square root of 253574463 is about 15924.0215711987. The cubic root of 253574463 is about 632.9486892165.

The spelling of 253574463 in words is "two hundred fifty-three million, five hundred seventy-four thousand, four hundred sixty-three".