1625340032 has 32 divisors (see below), whose sum is σ = 3349644300. Its totient is φ = 784645120.

The previous prime is 1625340007. The next prime is 1625340037. The reversal of 1625340032 is 2300435261.

It can be written as a sum of positive squares in 2 ways, for example, as 1516012096 + 109327936 = 38936^2 + 10456^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1625340032² = 5283460439243522048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1625339983 and 1625340010.

It is not an unprimeable number, because it can be changed into a prime (1625340037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215219 + ... + 222642.

Almost surely, 2^1625340032 is an apocalyptic number.

It is an amenable number.

1625340032 is an abundant number, since it is smaller than the sum of its proper divisors (1724304268).

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

1625340032 is an equidigital number, since it uses as much as digits as its factorization.

1625340032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437904 (or 437892 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1625340032 is about 40315.5060987705. The cubic root of 1625340032 is about 1175.7493411194.

Adding to 1625340032 its reverse (2300435261), we get a palindrome (3925775293).

The spelling of 1625340032 in words is "one billion, six hundred twenty-five million, three hundred forty thousand, thirty-two".