695542531 has 2 divisors, whose sum is σ = 695542532. Its totient is φ = 695542530.

The previous prime is 695542493. The next prime is 695542541. The reversal of 695542531 is 135245596.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 695542531 - 2⁹ = 695542019 is a prime.

It is a super-2 number, since 2×695542531² = 967558824859771922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (695542541) 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, 347771265 + 347771266.

It is an arithmetic number, because the mean of its divisors is an integer number (347771266).

Almost surely, 2^695542531 is an apocalyptic number.

695542531 is a deficient number, since it is larger than the sum of its proper divisors (1).

695542531 is an equidigital number, since it uses as much as digits as its factorization.

695542531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000, while the sum is 40.

The square root of 695542531 is about 26373.1403325429. The cubic root of 695542531 is about 886.0153182846.

The spelling of 695542531 in words is "six hundred ninety-five million, five hundred forty-two thousand, five hundred thirty-one".