501432425 has 48 divisors (see below), whose sum is σ = 724453632. Its totient is φ = 340915200.

The previous prime is 501432403. The next prime is 501432431. The reversal of 501432425 is 524234105.

It is a happy number.

It is not a de Polignac number, because 501432425 - 2¹⁰ = 501431401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 501432394 and 501432403.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 258710 + ... + 260640.

It is an arithmetic number, because the mean of its divisors is an integer number (15092784).

Almost surely, 2^501432425 is an apocalyptic number.

It is an amenable number.

501432425 is a deficient number, since it is larger than the sum of its proper divisors (223021207).

501432425 is a wasteful number, since it uses less digits than its factorization.

501432425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018 (or 2013 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 501432425 is about 22392.6868642421. The cubic root of 501432425 is about 794.4577476523.

The spelling of 501432425 in words is "five hundred one million, four hundred thirty-two thousand, four hundred twenty-five".