5100491 has 16 divisors (see below), whose sum is σ = 5875200. Its totient is φ = 4384800.

The previous prime is 5100479. The next prime is 5100521. The reversal of 5100491 is 1940015.

5100491 = T₂₉₈ + T₂₉₉ + ... + T₃₈₄.

It is not a de Polignac number, because 5100491 - 2¹⁸ = 4838347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5100691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18686 + ... + 18956.

It is an arithmetic number, because the mean of its divisors is an integer number (367200).

Almost surely, 2^5100491 is an apocalyptic number.

5100491 is a deficient number, since it is larger than the sum of its proper divisors (774709).

5100491 is a wasteful number, since it uses less digits than its factorization.

5100491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 5100491 is about 2258.4266647381. The cubic root of 5100491 is about 172.1355858078.

The spelling of 5100491 in words is "five million, one hundred thousand, four hundred ninety-one".