925272989 has 2 divisors, whose sum is σ = 925272990. Its totient is φ = 925272988.

The previous prime is 925272967. The next prime is 925273007. The reversal of 925272989 is 989272529.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 897002500 + 28270489 = 29950^2 + 5317^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-925272989 is a prime.

It is a super-2 number, since 2×925272989² = 1712260208345988242, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 925272989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (925272919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 462636494 + 462636495.

It is an arithmetic number, because the mean of its divisors is an integer number (462636495).

Almost surely, 2^925272989 is an apocalyptic number.

It is an amenable number.

925272989 is a deficient number, since it is larger than the sum of its proper divisors (1).

925272989 is an equidigital number, since it uses as much as digits as its factorization.

925272989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 53.

The square root of 925272989 is about 30418.3002319328. The cubic root of 925272989 is about 974.4434216322.

The spelling of 925272989 in words is "nine hundred twenty-five million, two hundred seventy-two thousand, nine hundred eighty-nine".