5951531 has 2 divisors, whose sum is σ = 5951532. Its totient is φ = 5951530.

The previous prime is 5951521. The next prime is 5951537. The reversal of 5951531 is 1351595.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5951531 - 2¹⁴ = 5935147 is a prime.

It is a super-2 number, since 2×5951531² = 70841442487922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5951494 and 5951503.

It is not a weakly prime, because it can be changed into another prime (5951537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2975765 + 2975766.

It is an arithmetic number, because the mean of its divisors is an integer number (2975766).

Almost surely, 2^5951531 is an apocalyptic number.

5951531 is a deficient number, since it is larger than the sum of its proper divisors (1).

5951531 is an equidigital number, since it uses as much as digits as its factorization.

5951531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3375, while the sum is 29.

The square root of 5951531 is about 2439.5759877487. The cubic root of 5951531 is about 181.2214356889.

The spelling of 5951531 in words is "five million, nine hundred fifty-one thousand, five hundred thirty-one".