131552503 has 2 divisors, whose sum is σ = 131552504. Its totient is φ = 131552502.

The previous prime is 131552489. The next prime is 131552513. The reversal of 131552503 is 305255131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131552503 - 2⁵ = 131552471 is a prime.

It is a super-2 number, since 2×131552503² = 34612122091130018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131552513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65776251 + 65776252.

It is an arithmetic number, because the mean of its divisors is an integer number (65776252).

Almost surely, 2^131552503 is an apocalyptic number.

131552503 is a deficient number, since it is larger than the sum of its proper divisors (1).

131552503 is an equidigital number, since it uses as much as digits as its factorization.

131552503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 131552503 is about 11469.6339523108. The cubic root of 131552503 is about 508.5883079784.

It can be divided in two parts, 13 and 1552503, that added together give a square (1552516 = 1246²).

The spelling of 131552503 in words is "one hundred thirty-one million, five hundred fifty-two thousand, five hundred three".