913274861 has 4 divisors (see below), whose sum is σ = 917910972. Its totient is φ = 908638752.

The previous prime is 913274851. The next prime is 913274863. The reversal of 913274861 is 168472319.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 585882025 + 327392836 = 24205^2 + 18094^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-913274861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913274863) 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, 2317760 + ... + 2318153.

It is an arithmetic number, because the mean of its divisors is an integer number (229477743).

Almost surely, 2^913274861 is an apocalyptic number.

It is an amenable number.

913274861 is a deficient number, since it is larger than the sum of its proper divisors (4636111).

913274861 is a wasteful number, since it uses less digits than its factorization.

913274861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4636110.

The product of its digits is 72576, while the sum is 41.

The square root of 913274861 is about 30220.4378029174. The cubic root of 913274861 is about 970.2131748856.

The spelling of 913274861 in words is "nine hundred thirteen million, two hundred seventy-four thousand, eight hundred sixty-one".