6402125 has 8 divisors (see below), whose sum is σ = 7990008. Its totient is φ = 5121600.

The previous prime is 6402091. The next prime is 6402139. The reversal of 6402125 is 5212046.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 550564 + 5851561 = 742^2 + 2419^2 .

It is not a de Polignac number, because 6402125 - 2⁶ = 6402061 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 = 6402097 and 6402106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25484 + ... + 25733.

It is an arithmetic number, because the mean of its divisors is an integer number (998751).

Almost surely, 2^6402125 is an apocalyptic number.

It is an amenable number.

6402125 is a deficient number, since it is larger than the sum of its proper divisors (1587883).

6402125 is an equidigital number, since it uses as much as digits as its factorization.

6402125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51232 (or 51222 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 6402125 is about 2530.2420832798. The cubic root of 6402125 is about 185.6840997712.

It can be divided in two parts, 64021 and 25, that added together give a palindrome (64046).

The spelling of 6402125 in words is "six million, four hundred two thousand, one hundred twenty-five".