952371989 has 2 divisors, whose sum is σ = 952371990. Its totient is φ = 952371988.

The previous prime is 952371967. The next prime is 952371997. The reversal of 952371989 is 989173259.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 509269489 + 443102500 = 22567^2 + 21050^2 .

It is a cyclic number.

It is not a de Polignac number, because 952371989 - 2¹² = 952367893 is a prime.

It is a super-2 number, since 2×952371989² = 1814024810863632242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 952371989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (952371929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 476185994 + 476185995.

It is an arithmetic number, because the mean of its divisors is an integer number (476185995).

Almost surely, 2^952371989 is an apocalyptic number.

It is an amenable number.

952371989 is a deficient number, since it is larger than the sum of its proper divisors (1).

952371989 is an equidigital number, since it uses as much as digits as its factorization.

952371989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 53.

The square root of 952371989 is about 30860.5247687074. The cubic root of 952371989 is about 983.8650602218.

The spelling of 952371989 in words is "nine hundred fifty-two million, three hundred seventy-one thousand, nine hundred eighty-nine".