972613 has 2 divisors, whose sum is σ = 972614. Its totient is φ = 972612.

The previous prime is 972611. The next prime is 972623. The reversal of 972613 is 316279.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 956484 + 16129 = 978^2 + 127^2 .

It is a cyclic number.

It is not a de Polignac number, because 972613 - 2¹ = 972611 is a prime.

Together with 972611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486306 + 486307.

It is an arithmetic number, because the mean of its divisors is an integer number (486307).

2⁹⁷²⁶¹³ is an apocalyptic number.

It is an amenable number.

972613 is a deficient number, since it is larger than the sum of its proper divisors (1).

972613 is an equidigital number, since it uses as much as digits as its factorization.

972613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 28.

The square root of 972613 is about 986.2114377759. The cubic root of 972613 is about 99.0786369735.

The spelling of 972613 in words is "nine hundred seventy-two thousand, six hundred thirteen".