1352442631 has 2 divisors, whose sum is σ = 1352442632. Its totient is φ = 1352442630.

The previous prime is 1352442613. The next prime is 1352442643. The reversal of 1352442631 is 1362442531.

Together with previous prime (1352442613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1352442631 is a prime.

It is a super-2 number, since 2×1352442631² = 3658202140292404322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1352442593 and 1352442602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1352452631) 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, 676221315 + 676221316.

It is an arithmetic number, because the mean of its divisors is an integer number (676221316).

Almost surely, 2^1352442631 is an apocalyptic number.

1352442631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352442631 is an equidigital number, since it uses as much as digits as its factorization.

1352442631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 31.

The square root of 1352442631 is about 36775.5711172512. The cubic root of 1352442631 is about 1105.8756205321.

The spelling of 1352442631 in words is "one billion, three hundred fifty-two million, four hundred forty-two thousand, six hundred thirty-one".