1522601131 has 2 divisors, whose sum is σ = 1522601132. Its totient is φ = 1522601130.

The previous prime is 1522601089. The next prime is 1522601137. The reversal of 1522601131 is 1311062251.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1522601131 is a prime.

It is a super-2 number, since 2×1522601131² = 4636628408244958322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1522601137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 761300565 + 761300566.

It is an arithmetic number, because the mean of its divisors is an integer number (761300566).

Almost surely, 2^1522601131 is an apocalyptic number.

1522601131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1522601131 is an equidigital number, since it uses as much as digits as its factorization.

1522601131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1522601131 is about 39020.5219211635. The cubic root of 1522601131 is about 1150.4349031839.

Adding to 1522601131 its reverse (1311062251), we get a palindrome (2833663382).

The spelling of 1522601131 in words is "one billion, five hundred twenty-two million, six hundred one thousand, one hundred thirty-one".