5651131 has 2 divisors, whose sum is σ = 5651132. Its totient is φ = 5651130.

The previous prime is 5651099. The next prime is 5651137. The reversal of 5651131 is 1311565.

5651131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5651131 - 2⁵ = 5651099 is a prime.

It is a super-2 number, since 2×5651131² = 63870563158322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5651137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2825565 + 2825566.

It is an arithmetic number, because the mean of its divisors is an integer number (2825566).

Almost surely, 2^5651131 is an apocalyptic number.

5651131 is a deficient number, since it is larger than the sum of its proper divisors (1).

5651131 is an equidigital number, since it uses as much as digits as its factorization.

5651131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 450, while the sum is 22.

The square root of 5651131 is about 2377.2107605343. The cubic root of 5651131 is about 178.1196329972.

Adding to 5651131 its reverse (1311565), we get a palindrome (6962696).

It can be divided in two parts, 565 and 1131, that multiplied together give a triangular number (639015 = T₁₁₃₀).

The spelling of 5651131 in words is "five million, six hundred fifty-one thousand, one hundred thirty-one".