89972325 has 36 divisors (see below), whose sum is σ = 162997380. Its totient is φ = 47435520.

The previous prime is 89972321. The next prime is 89972329. The reversal of 89972325 is 52327998.

It is an interprime number because it is at equal distance from previous prime (89972321) and next prime (89972329).

It can be written as a sum of positive squares in 6 ways, for example, as 272484 + 89699841 = 522^2 + 9471^2 .

It is not a de Polignac number, because 89972325 - 2² = 89972321 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89972321) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17779 + ... + 22271.

It is an arithmetic number, because the mean of its divisors is an integer number (4527705).

Almost surely, 2^89972325 is an apocalyptic number.

It is an amenable number.

89972325 is a deficient number, since it is larger than the sum of its proper divisors (73025055).

89972325 is a wasteful number, since it uses less digits than its factorization.

89972325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4598 (or 4590 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 89972325 is about 9485.3742677872. The cubic root of 89972325 is about 448.0945355480.

The spelling of 89972325 in words is "eighty-nine million, nine hundred seventy-two thousand, three hundred twenty-five".