970987 has 2 divisors, whose sum is σ = 970988. Its totient is φ = 970986.

The previous prime is 970969. The next prime is 970997. The reversal of 970987 is 789079.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 970987 - 2⁷ = 970859 is a prime.

It is not a weakly prime, because it can be changed into another prime (970927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485493 + 485494.

It is an arithmetic number, because the mean of its divisors is an integer number (485494).

2⁹⁷⁰⁹⁸⁷ is an apocalyptic number.

970987 is a deficient number, since it is larger than the sum of its proper divisors (1).

970987 is an equidigital number, since it uses as much as digits as its factorization.

970987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 970987 is about 985.3867261132. The cubic root of 970987 is about 99.0233934446.

The spelling of 970987 in words is "nine hundred seventy thousand, nine hundred eighty-seven".