6252640 has 24 divisors (see below), whose sum is σ = 14772240. Its totient is φ = 2500992.

The previous prime is 6252611. The next prime is 6252709. The reversal of 6252640 is 462526.

It is a super-3 number, since 3×6252640³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19380 + ... + 19699.

It is an arithmetic number, because the mean of its divisors is an integer number (615510).

Almost surely, 2^6252640 is an apocalyptic number.

It is an amenable number.

6252640 is an abundant number, since it is smaller than the sum of its proper divisors (8519600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6252640 is a wasteful number, since it uses less digits than its factorization.

6252640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39094 (or 39086 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 6252640 is about 2500.5279442550. The cubic root of 6252640 is about 184.2275068629.

The spelling of 6252640 in words is "six million, two hundred fifty-two thousand, six hundred forty".