325737620 has 48 divisors (see below), whose sum is σ = 754660368. Its totient is φ = 117335040.

The previous prime is 325737617. The next prime is 325737623. The reversal of 325737620 is 26737523.

It is an interprime number because it is at equal distance from previous prime (325737617) and next prime (325737623).

It can be written as a sum of positive squares in 8 ways, for example, as 169937296 + 155800324 = 13036^2 + 12482^2 .

It is a super-2 number, since 2×325737620² = 212209994166528800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325737623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4619 + ... + 25938.

It is an arithmetic number, because the mean of its divisors is an integer number (15722091).

Almost surely, 2^325737620 is an apocalyptic number.

It is an amenable number.

325737620 is an abundant number, since it is smaller than the sum of its proper divisors (428922748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

325737620 is a wasteful number, since it uses less digits than its factorization.

325737620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30620 (or 30618 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 325737620 is about 18048.2026805995. The cubic root of 325737620 is about 688.0541832440.

The spelling of 325737620 in words is "three hundred twenty-five million, seven hundred thirty-seven thousand, six hundred twenty".