5215905 has 24 divisors (see below), whose sum is σ = 9335040. Its totient is φ = 2691360.

The previous prime is 5215901. The next prime is 5215907. The reversal of 5215905 is 5095125.

It is not a de Polignac number, because 5215905 - 2² = 5215901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5215901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 475 + ... + 3264.

It is an arithmetic number, because the mean of its divisors is an integer number (388960).

Almost surely, 2^5215905 is an apocalyptic number.

It is an amenable number.

5215905 is a deficient number, since it is larger than the sum of its proper divisors (4119135).

5215905 is a wasteful number, since it uses less digits than its factorization.

5215905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781 (or 3778 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 5215905 is about 2283.8355895292. The cubic root of 5215905 is about 173.4242763232.

The spelling of 5215905 in words is "five million, two hundred fifteen thousand, nine hundred five".