394253540925 has 24 divisors (see below), whose sum is σ = 654057241824. Its totient is φ = 209550903360.

The previous prime is 394253540909. The next prime is 394253540953. The reversal of 394253540925 is 529045352493.

It is not a de Polignac number, because 394253540925 - 2⁴ = 394253540909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8948527 + ... + 8992476.

It is an arithmetic number, because the mean of its divisors is an integer number (27252385076).

Almost surely, 2^394253540925 is an apocalyptic number.

It is an amenable number.

394253540925 is a deficient number, since it is larger than the sum of its proper divisors (259803700899).

394253540925 is a wasteful number, since it uses less digits than its factorization.

394253540925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17941309 (or 17941304 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 51.

The spelling of 394253540925 in words is "three hundred ninety-four billion, two hundred fifty-three million, five hundred forty thousand, nine hundred twenty-five".