695131 has 2 divisors, whose sum is σ = 695132. Its totient is φ = 695130.

The previous prime is 695117. The next prime is 695141. The reversal of 695131 is 131596.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 695131 - 2⁵ = 695099 is a prime.

It is a super-2 number, since 2×695131² = 966414214322, which contains 22 as substring.

695131 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 695096 and 695105.

It is not a weakly prime, because it can be changed into another prime (695111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347565 + 347566.

It is an arithmetic number, because the mean of its divisors is an integer number (347566).

2⁶⁹⁵¹³¹ is an apocalyptic number.

695131 is a deficient number, since it is larger than the sum of its proper divisors (1).

695131 is an equidigital number, since it uses as much as digits as its factorization.

695131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 810, while the sum is 25.

The square root of 695131 is about 833.7451649035. The cubic root of 695131 is about 88.5840541191.

The spelling of 695131 in words is "six hundred ninety-five thousand, one hundred thirty-one".