5157861 has 12 divisors (see below), whose sum is σ = 6999552. Its totient is φ = 3378408.

The previous prime is 5157857. The next prime is 5157877. The reversal of 5157861 is 1687515.

It is not a de Polignac number, because 5157861 - 2² = 5157857 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5157821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13276 + ... + 13658.

It is an arithmetic number, because the mean of its divisors is an integer number (583296).

Almost surely, 2^5157861 is an apocalyptic number.

It is an amenable number.

5157861 is a deficient number, since it is larger than the sum of its proper divisors (1841691).

5157861 is an equidigital number, since it uses as much as digits as its factorization.

5157861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 453 counting only the distinct ones).

The product of its digits is 8400, while the sum is 33.

The square root of 5157861 is about 2271.0924683949. The cubic root of 5157861 is about 172.7785711060.

The spelling of 5157861 in words is "five million, one hundred fifty-seven thousand, eight hundred sixty-one".