131625737 has 2 divisors, whose sum is σ = 131625738. Its totient is φ = 131625736.

The previous prime is 131625731. The next prime is 131625743. The reversal of 131625737 is 737526131.

It is a balanced prime because it is at equal distance from previous prime (131625731) and next prime (131625743).

It can be written as a sum of positive squares in only one way, i.e., 126877696 + 4748041 = 11264^2 + 2179^2 .

It is a cyclic number.

It is not a de Polignac number, because 131625737 - 2¹² = 131621641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131625697 and 131625706.

It is not a weakly prime, because it can be changed into another prime (131625731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65812868 + 65812869.

It is an arithmetic number, because the mean of its divisors is an integer number (65812869).

Almost surely, 2^131625737 is an apocalyptic number.

It is an amenable number.

131625737 is a deficient number, since it is larger than the sum of its proper divisors (1).

131625737 is an equidigital number, since it uses as much as digits as its factorization.

131625737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460, while the sum is 35.

The square root of 131625737 is about 11472.8260250036. The cubic root of 131625737 is about 508.6826658607.

The spelling of 131625737 in words is "one hundred thirty-one million, six hundred twenty-five thousand, seven hundred thirty-seven".