425172513 has 32 divisors (see below), whose sum is σ = 596054016. Its totient is φ = 269319168.

The previous prime is 425172511. The next prime is 425172541. The reversal of 425172513 is 315271524.

It is not a de Polignac number, because 425172513 - 2¹ = 425172511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425172511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1109920 + ... + 1110302.

It is an arithmetic number, because the mean of its divisors is an integer number (18626688).

Almost surely, 2^425172513 is an apocalyptic number.

It is an amenable number.

425172513 is a deficient number, since it is larger than the sum of its proper divisors (170881503).

425172513 is a wasteful number, since it uses less digits than its factorization.

425172513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633.

The product of its digits is 8400, while the sum is 30.

The square root of 425172513 is about 20619.7117584121. The cubic root of 425172513 is about 751.9490125240.

The spelling of 425172513 in words is "four hundred twenty-five million, one hundred seventy-two thousand, five hundred thirteen".