5131894 has 4 divisors (see below), whose sum is σ = 7697844. Its totient is φ = 2565946.

The previous prime is 5131891. The next prime is 5131897. The reversal of 5131894 is 4981315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4981315 = 5 ⋅996263.

It is an interprime number because it is at equal distance from previous prime (5131891) and next prime (5131897).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282972 + ... + 1282975.

It is an arithmetic number, because the mean of its divisors is an integer number (1924461).

Almost surely, 2^5131894 is an apocalyptic number.

5131894 is a deficient number, since it is larger than the sum of its proper divisors (2565950).

5131894 is a wasteful number, since it uses less digits than its factorization.

5131894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565949.

The product of its digits is 4320, while the sum is 31.

The square root of 5131894 is about 2265.3684027107. The cubic root of 5131894 is about 172.4881347296.

The spelling of 5131894 in words is "five million, one hundred thirty-one thousand, eight hundred ninety-four".