131627251 has 4 divisors (see below), whose sum is σ = 150431152. Its totient is φ = 112823352.

The previous prime is 131627233. The next prime is 131627263. The reversal of 131627251 is 152726131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 152726131 = 4597 ⋅33223.

It is a cyclic number.

It is not a de Polignac number, because 131627251 - 2⁷ = 131627123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131627281) 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 in 3 ways as a sum of consecutive naturals, for example, 9401940 + ... + 9401953.

It is an arithmetic number, because the mean of its divisors is an integer number (37607788).

Almost surely, 2^131627251 is an apocalyptic number.

131627251 is a deficient number, since it is larger than the sum of its proper divisors (18803901).

131627251 is an equidigital number, since it uses as much as digits as its factorization.

131627251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18803900.

The product of its digits is 2520, while the sum is 28.

The square root of 131627251 is about 11472.8920068133. The cubic root of 131627251 is about 508.6846161951.

The spelling of 131627251 in words is "one hundred thirty-one million, six hundred twenty-seven thousand, two hundred fifty-one".