1553252131 has 2 divisors, whose sum is σ = 1553252132. Its totient is φ = 1553252130.

The previous prime is 1553252111. The next prime is 1553252153. The reversal of 1553252131 is 1312523551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1553252131 - 2⁹ = 1553251619 is a prime.

It is a super-2 number, since 2×1553252131² = 4825184364912082322, 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 1553252131.

It is not a weakly prime, because it can be changed into another prime (1553252111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776626065 + 776626066.

It is an arithmetic number, because the mean of its divisors is an integer number (776626066).

Almost surely, 2^1553252131 is an apocalyptic number.

1553252131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1553252131 is an equidigital number, since it uses as much as digits as its factorization.

1553252131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4500, while the sum is 28.

The square root of 1553252131 is about 39411.3198332662. The cubic root of 1553252131 is about 1158.1033539776.

Adding to 1553252131 its reverse (1312523551), we get a palindrome (2865775682).

The spelling of 1553252131 in words is "one billion, five hundred fifty-three million, two hundred fifty-two thousand, one hundred thirty-one".