6402250 has 16 divisors (see below), whose sum is σ = 11985480. Its totient is φ = 2560800.

The previous prime is 6402247. The next prime is 6402269. The reversal of 6402250 is 522046.

It can be written as a sum of positive squares in 4 ways, for example, as 4214809 + 2187441 = 2053^2 + 1479^2 .

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, 12555 + ... + 13054.

Almost surely, 2^6402250 is an apocalyptic number.

6402250 is a deficient number, since it is larger than the sum of its proper divisors (5583230).

6402250 is a wasteful number, since it uses less digits than its factorization.

6402250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25626 (or 25616 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 6402250 is about 2530.2667843530. The cubic root of 6402250 is about 185.6853082430.

Adding to 6402250 its reverse (522046), we get a palindrome (6924296).

It can be divided in two parts, 640 and 2250, that multiplied together give a square (1440000 = 1200²).

The spelling of 6402250 in words is "six million, four hundred two thousand, two hundred fifty".