970938181 has 2 divisors, whose sum is σ = 970938182. Its totient is φ = 970938180.

The previous prime is 970938139. The next prime is 970938193. The reversal of 970938181 is 181839079.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 609596100 + 361342081 = 24690^2 + 19009^2 .

It is a cyclic number.

It is not a de Polignac number, because 970938181 - 2¹¹ = 970936133 is a prime.

It is a super-2 number, since 2×970938181² = 1885441902647177522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (970938131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485469090 + 485469091.

It is an arithmetic number, because the mean of its divisors is an integer number (485469091).

Almost surely, 2^970938181 is an apocalyptic number.

It is an amenable number.

970938181 is a deficient number, since it is larger than the sum of its proper divisors (1).

970938181 is an equidigital number, since it uses as much as digits as its factorization.

970938181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 46.

The square root of 970938181 is about 31159.8809529176. The cubic root of 970938181 is about 990.2173386044.

The spelling of 970938181 in words is "nine hundred seventy million, nine hundred thirty-eight thousand, one hundred eighty-one".