403164425 has 6 divisors (see below), whose sum is σ = 499923918. Its totient is φ = 322531520.

The previous prime is 403164407. The next prime is 403164457. The reversal of 403164425 is 524461304.

It can be written as a sum of positive squares in 3 ways, for example, as 3644281 + 399520144 = 1909^2 + 19988^2 .

It is not a de Polignac number, because 403164425 - 2⁶ = 403164361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8063264 + ... + 8063313.

It is an arithmetic number, because the mean of its divisors is an integer number (83320653).

Almost surely, 2^403164425 is an apocalyptic number.

It is an amenable number.

403164425 is a deficient number, since it is larger than the sum of its proper divisors (96759493).

403164425 is a wasteful number, since it uses less digits than its factorization.

403164425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16126587 (or 16126582 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 403164425 is about 20078.9547785735. The cubic root of 403164425 is about 738.7441720294.

The spelling of 403164425 in words is "four hundred three million, one hundred sixty-four thousand, four hundred twenty-five".