970461091 has 4 divisors (see below), whose sum is σ = 971420112. Its totient is φ = 969502072.

The previous prime is 970461083. The next prime is 970461097. The reversal of 970461091 is 190164079.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190164079 = 7 ⋅27166297.

It is a cyclic number.

It is not a de Polignac number, because 970461091 - 2³ = 970461083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 970461091.

It is not an unprimeable number, because it can be changed into a prime (970461097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477991 + ... + 480016.

It is an arithmetic number, because the mean of its divisors is an integer number (242855028).

Almost surely, 2^970461091 is an apocalyptic number.

970461091 is a deficient number, since it is larger than the sum of its proper divisors (959021).

970461091 is a wasteful number, since it uses less digits than its factorization.

970461091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959020.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 970461091 is about 31152.2244952106. The cubic root of 970461091 is about 990.0551242985.

The spelling of 970461091 in words is "nine hundred seventy million, four hundred sixty-one thousand, ninety-one".