972289425 has 24 divisors (see below), whose sum is σ = 1659377920. Its totient is φ = 501825600.

The previous prime is 972289421. The next prime is 972289427. The reversal of 972289425 is 524982279.

It is not a de Polignac number, because 972289425 - 2² = 972289421 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (972289421) 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 in 23 ways as a sum of consecutive naturals, for example, 206770 + ... + 211419.

Almost surely, 2^972289425 is an apocalyptic number.

It is an amenable number.

972289425 is a deficient number, since it is larger than the sum of its proper divisors (687088495).

972289425 is a wasteful number, since it uses less digits than its factorization.

972289425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418233 (or 418228 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 972289425 is about 31181.5558463653. Note that the first 3 decimals coincide. The cubic root of 972289425 is about 990.6764838717.

The spelling of 972289425 in words is "nine hundred seventy-two million, two hundred eighty-nine thousand, four hundred twenty-five".