510172725 has 24 divisors (see below), whose sum is σ = 844981632. Its totient is φ = 271609600.

The previous prime is 510172723. The next prime is 510172759. The reversal of 510172725 is 527271015.

It is not a de Polignac number, because 510172725 - 2¹ = 510172723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 510172692 and 510172701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (510172721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38740 + ... + 50210.

It is an arithmetic number, because the mean of its divisors is an integer number (35207568).

Almost surely, 2^510172725 is an apocalyptic number.

It is an amenable number.

510172725 is a deficient number, since it is larger than the sum of its proper divisors (334808907).

510172725 is a wasteful number, since it uses less digits than its factorization.

510172725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12077 (or 12072 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 510172725 is about 22587.0034533136. The cubic root of 510172725 is about 799.0471598409.

The spelling of 510172725 in words is "five hundred ten million, one hundred seventy-two thousand, seven hundred twenty-five".