432218025 has 36 divisors (see below), whose sum is σ = 802834032. Its totient is φ = 230513040.

The previous prime is 432218009. The next prime is 432218077. The reversal of 432218025 is 520812234.

It is not a de Polignac number, because 432218025 - 2⁴ = 432218009 is a prime.

It is a super-2 number, since 2×432218025² = 373624842269801250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 432218025.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29499 + ... + 41648.

Almost surely, 2^432218025 is an apocalyptic number.

432218025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

432218025 is a deficient number, since it is larger than the sum of its proper divisors (370616007).

432218025 is an equidigital number, since it uses as much as digits as its factorization.

432218025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71172 (or 71155 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 432218025 is about 20789.8538955905. The cubic root of 432218025 is about 756.0797818296.

The spelling of 432218025 in words is "four hundred thirty-two million, two hundred eighteen thousand, twenty-five".