5021913 has 8 divisors (see below), whose sum is σ = 7211008. Its totient is φ = 3090384.

The previous prime is 5021893. The next prime is 5021917. The reversal of 5021913 is 3191205.

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

It is not a de Polignac number, because 5021913 - 2⁵ = 5021881 is a prime.

It is a super-2 number, since 2×5021913² = 50439220359138, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5021913.

It is not an unprimeable number, because it can be changed into a prime (5021917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64345 + ... + 64422.

It is an arithmetic number, because the mean of its divisors is an integer number (901376).

Almost surely, 2^5021913 is an apocalyptic number.

It is an amenable number.

5021913 is a deficient number, since it is larger than the sum of its proper divisors (2189095).

5021913 is a wasteful number, since it uses less digits than its factorization.

5021913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128783.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 5021913 is about 2240.9625164201. The cubic root of 5021913 is about 171.2470353084.

It can be divided in two parts, 502 and 1913, that added together give a triangular number (2415 = T₆₉).

The spelling of 5021913 in words is "five million, twenty-one thousand, nine hundred thirteen".