913601965 has 8 divisors (see below), whose sum is σ = 1125952920. Its totient is φ = 711127872.

The previous prime is 913601959. The next prime is 913601971. The reversal of 913601965 is 569106319.

It is an interprime number because it is at equal distance from previous prime (913601959) and next prime (913601971).

It can be written as a sum of positive squares in 4 ways, for example, as 503822916 + 409779049 = 22446^2 + 20243^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 913601965 - 2³ = 913601957 is a prime.

It is a super-2 number, since 2×913601965² = 1669337100903722450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2469010 + ... + 2469379.

It is an arithmetic number, because the mean of its divisors is an integer number (140744115).

Almost surely, 2^913601965 is an apocalyptic number.

It is an amenable number.

913601965 is a deficient number, since it is larger than the sum of its proper divisors (212350955).

913601965 is a wasteful number, since it uses less digits than its factorization.

913601965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4938431.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 913601965 is about 30225.8492850077. The cubic root of 913601965 is about 970.3289935153.

The spelling of 913601965 in words is "nine hundred thirteen million, six hundred one thousand, nine hundred sixty-five".