402502125 has 64 divisors (see below), whose sum is σ = 701955072. Its totient is φ = 204608000.

The previous prime is 402502103. The next prime is 402502147. The reversal of 402502125 is 521205204.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (402502103) and next prime (402502147).

It is not a de Polignac number, because 402502125 - 2⁷ = 402501997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 722347 + ... + 722903.

It is an arithmetic number, because the mean of its divisors is an integer number (10968048).

Almost surely, 2^402502125 is an apocalyptic number.

It is an amenable number.

402502125 is a deficient number, since it is larger than the sum of its proper divisors (299452947).

402502125 is a wasteful number, since it uses less digits than its factorization.

402502125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 402502125 is about 20062.4556074275. The cubic root of 402502125 is about 738.3394253169.

Adding to 402502125 its reverse (521205204), we get a palindrome (923707329).

The spelling of 402502125 in words is "four hundred two million, five hundred two thousand, one hundred twenty-five".