625541332 has 72 divisors (see below), whose sum is σ = 1261733760. Its totient is φ = 270466560.

The previous prime is 625541291. The next prime is 625541347. The reversal of 625541332 is 233145526.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 625541294 and 625541303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1451157 + ... + 1451587.

It is an arithmetic number, because the mean of its divisors is an integer number (17524080).

Almost surely, 2^625541332 is an apocalyptic number.

It is an amenable number.

625541332 is an abundant number, since it is smaller than the sum of its proper divisors (636192428).

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

625541332 is a wasteful number, since it uses less digits than its factorization.

625541332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593 (or 578 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 625541332 is about 25010.8242966920. The cubic root of 625541332 is about 855.2347460260.

Adding to 625541332 its reverse (233145526), we get a palindrome (858686858).

The spelling of 625541332 in words is "six hundred twenty-five million, five hundred forty-one thousand, three hundred thirty-two".