132172457 has 2 divisors, whose sum is σ = 132172458. Its totient is φ = 132172456.

The previous prime is 132172427. The next prime is 132172463. The reversal of 132172457 is 754271231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71503936 + 60668521 = 8456^2 + 7789^2 .

It is a cyclic number.

It is not a de Polignac number, because 132172457 - 2¹⁶ = 132106921 is a prime.

It is not a weakly prime, because it can be changed into another prime (132172427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66086228 + 66086229.

It is an arithmetic number, because the mean of its divisors is an integer number (66086229).

Almost surely, 2^132172457 is an apocalyptic number.

It is an amenable number.

132172457 is a deficient number, since it is larger than the sum of its proper divisors (1).

132172457 is an equidigital number, since it uses as much as digits as its factorization.

132172457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 32.

The square root of 132172457 is about 11496.6280708737. The cubic root of 132172457 is about 509.3859802518.

The spelling of 132172457 in words is "one hundred thirty-two million, one hundred seventy-two thousand, four hundred fifty-seven".