151231057 has 2 divisors, whose sum is σ = 151231058. Its totient is φ = 151231056.

The previous prime is 151231039. The next prime is 151231061. The reversal of 151231057 is 750132151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99520576 + 51710481 = 9976^2 + 7191^2 .

It is a cyclic number.

It is not a de Polignac number, because 151231057 - 2¹¹ = 151229009 is a prime.

It is not a weakly prime, because it can be changed into another prime (151231097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75615528 + 75615529.

It is an arithmetic number, because the mean of its divisors is an integer number (75615529).

Almost surely, 2^151231057 is an apocalyptic number.

It is an amenable number.

151231057 is a deficient number, since it is larger than the sum of its proper divisors (1).

151231057 is an equidigital number, since it uses as much as digits as its factorization.

151231057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 151231057 is about 12297.6037096664. The cubic root of 151231057 is about 532.7788742556.

The spelling of 151231057 in words is "one hundred fifty-one million, two hundred thirty-one thousand, fifty-seven".