970402553 has 4 divisors (see below), whose sum is σ = 1003864740. Its totient is φ = 936940368.

The previous prime is 970402541. The next prime is 970402567. The reversal of 970402553 is 355204079.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 355204079 = 929 ⋅382351.

It can be written as a sum of positive squares in 2 ways, for example, as 733488889 + 236913664 = 27083^2 + 15392^2 .

It is a cyclic number.

It is not a de Polignac number, because 970402553 - 2⁸ = 970402297 is a prime.

It is a super-2 number, since 2×970402553² = 1883362229737835618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (970402513) 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 3 ways as a sum of consecutive naturals, for example, 16731050 + ... + 16731107.

It is an arithmetic number, because the mean of its divisors is an integer number (250966185).

Almost surely, 2^970402553 is an apocalyptic number.

It is an amenable number.

970402553 is a deficient number, since it is larger than the sum of its proper divisors (33462187).

970402553 is a wasteful number, since it uses less digits than its factorization.

970402553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33462186.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 970402553 is about 31151.2849333699. The cubic root of 970402553 is about 990.0352172623.

The spelling of 970402553 in words is "nine hundred seventy million, four hundred two thousand, five hundred fifty-three".