756131 has 2 divisors, whose sum is σ = 756132. Its totient is φ = 756130.

The previous prime is 756127. The next prime is 756139. The reversal of 756131 is 131657.

756131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 756131 - 2² = 756127 is a prime.

It is a super-2 number, since 2×756131² = 1143468178322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 756097 and 756106.

It is not a weakly prime, because it can be changed into another prime (756139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 378065 + 378066.

It is an arithmetic number, because the mean of its divisors is an integer number (378066).

2⁷⁵⁶¹³¹ is an apocalyptic number.

756131 is a deficient number, since it is larger than the sum of its proper divisors (1).

756131 is an equidigital number, since it uses as much as digits as its factorization.

756131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 630, while the sum is 23.

The square root of 756131 is about 869.5579336651. The cubic root of 756131 is about 91.1029306666.

Adding to 756131 its reverse (131657), we get a palindrome (887788).

The spelling of 756131 in words is "seven hundred fifty-six thousand, one hundred thirty-one".