402432025 has 12 divisors (see below), whose sum is σ = 499267152. Its totient is φ = 321783440.

The previous prime is 402432013. The next prime is 402432053. The reversal of 402432025 is 520234204.

It is not a de Polignac number, because 402432025 - 2⁵ = 402431993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402431987 and 402432005.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84354 + ... + 88996.

It is an arithmetic number, because the mean of its divisors is an integer number (41605596).

Almost surely, 2^402432025 is an apocalyptic number.

It is an amenable number.

402432025 is a deficient number, since it is larger than the sum of its proper divisors (96835127).

402432025 is a wasteful number, since it uses less digits than its factorization.

402432025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8120 (or 8115 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 402432025 is about 20060.7084869902. The cubic root of 402432025 is about 738.2965596230.

Adding to 402432025 its reverse (520234204), we get a palindrome (922666229).

The spelling of 402432025 in words is "four hundred two million, four hundred thirty-two thousand, twenty-five".