18425032 has 8 divisors (see below), whose sum is σ = 34546950. Its totient is φ = 9212512.

The previous prime is 18425023. The next prime is 18425039. The reversal of 18425032 is 23052481.

It can be written as a sum of positive squares in only one way, i.e., 17589636 + 835396 = 4194^2 + 914^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 18424988 and 18425006.

It is not an unprimeable number, because it can be changed into a prime (18425039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1151557 + ... + 1151572.

Almost surely, 2^18425032 is an apocalyptic number.

It is an amenable number.

18425032 is a deficient number, since it is larger than the sum of its proper divisors (16121918).

18425032 is a wasteful number, since it uses less digits than its factorization.

18425032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303135 (or 2303131 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 18425032 is about 4292.4389337532. The cubic root of 18425032 is about 264.1208889264.

The spelling of 18425032 in words is "eighteen million, four hundred twenty-five thousand, thirty-two".