151361257 has 2 divisors, whose sum is σ = 151361258. Its totient is φ = 151361256.

The previous prime is 151361233. The next prime is 151361261. The reversal of 151361257 is 752163151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151314601 + 46656 = 12301^2 + 216^2 .

It is an emirp because it is prime and its reverse (752163151) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151361257 is a prime.

It is not a weakly prime, because it can be changed into another prime (151361297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75680628 + 75680629.

It is an arithmetic number, because the mean of its divisors is an integer number (75680629).

Almost surely, 2^151361257 is an apocalyptic number.

It is an amenable number.

151361257 is a deficient number, since it is larger than the sum of its proper divisors (1).

151361257 is an equidigital number, since it uses as much as digits as its factorization.

151361257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6300, while the sum is 31.

The square root of 151361257 is about 12302.8962850217. The cubic root of 151361257 is about 532.9317262629.

The spelling of 151361257 in words is "one hundred fifty-one million, three hundred sixty-one thousand, two hundred fifty-seven".