6253945 has 8 divisors (see below), whose sum is σ = 7899840. Its totient is φ = 4739760.

The previous prime is 6253939. The next prime is 6253957. The reversal of 6253945 is 5493526.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6253945 - 2⁷ = 6253817 is a prime.

It is a super-2 number, since 2×6253945² = 78223656126050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6253945.

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, 32821 + ... + 33010.

It is an arithmetic number, because the mean of its divisors is an integer number (987480).

Almost surely, 2^6253945 is an apocalyptic number.

It is an amenable number.

6253945 is a deficient number, since it is larger than the sum of its proper divisors (1645895).

6253945 is a wasteful number, since it uses less digits than its factorization.

6253945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65855.

The product of its digits is 32400, while the sum is 34.

The square root of 6253945 is about 2500.7888755351. The cubic root of 6253945 is about 184.2403227920.

The spelling of 6253945 in words is "six million, two hundred fifty-three thousand, nine hundred forty-five".