1525334131 has 2 divisors, whose sum is σ = 1525334132. Its totient is φ = 1525334130.

The previous prime is 1525334093. The next prime is 1525334143. The reversal of 1525334131 is 1314335251.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1525334131 - 2¹⁹ = 1524809843 is a prime.

It is a super-2 number, since 2×1525334131² = 4653288422387050322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1525334131.

It is not a weakly prime, because it can be changed into another prime (1525334191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 762667065 + 762667066.

It is an arithmetic number, because the mean of its divisors is an integer number (762667066).

Almost surely, 2^1525334131 is an apocalyptic number.

1525334131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1525334131 is an equidigital number, since it uses as much as digits as its factorization.

1525334131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 28.

The square root of 1525334131 is about 39055.5262542959. The cubic root of 1525334131 is about 1151.1228179206.

Adding to 1525334131 its reverse (1314335251), we get a palindrome (2839669382).

The spelling of 1525334131 in words is "one billion, five hundred twenty-five million, three hundred thirty-four thousand, one hundred thirty-one".