402725125 has 32 divisors (see below), whose sum is σ = 551116800. Its totient is φ = 291384000.

The previous prime is 402725069. The next prime is 402725129. The reversal of 402725125 is 521527204.

It is not a de Polignac number, because 402725125 - 2⁷ = 402724997 is a prime.

It is a super-3 number, since 3×402725125³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402725093 and 402725102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402725129) 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, 314236 + ... + 315514.

It is an arithmetic number, because the mean of its divisors is an integer number (17222400).

Almost surely, 2^402725125 is an apocalyptic number.

It is an amenable number.

402725125 is a deficient number, since it is larger than the sum of its proper divisors (148391675).

402725125 is a wasteful number, since it uses less digits than its factorization.

402725125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534 (or 1524 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 402725125 is about 20068.0124825554. The cubic root of 402725125 is about 738.4757552755.

It can be divided in two parts, 402 and 725125, that added together give a palindrome (725527).

The spelling of 402725125 in words is "four hundred two million, seven hundred twenty-five thousand, one hundred twenty-five".