977013 has 6 divisors (see below), whose sum is σ = 1411254. Its totient is φ = 651336.

The previous prime is 976991. The next prime is 977021. The reversal of 977013 is 310779.

It can be written as a sum of positive squares in only one way, i.e., 815409 + 161604 = 903^2 + 402^2 .

It is not a de Polignac number, because 977013 - 2⁹ = 976501 is a prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54270 + ... + 54287.

It is an arithmetic number, because the mean of its divisors is an integer number (235209).

2⁹⁷⁷⁰¹³ is an apocalyptic number.

It is an amenable number.

977013 is a deficient number, since it is larger than the sum of its proper divisors (434241).

977013 is a wasteful number, since it uses less digits than its factorization.

977013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108563 (or 108560 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 27.

The square root of 977013 is about 988.4396794949. The cubic root of 977013 is about 99.2278193851.

The spelling of 977013 in words is "nine hundred seventy-seven thousand, thirteen".