151875391 has 2 divisors, whose sum is σ = 151875392. Its totient is φ = 151875390.

The previous prime is 151875359. The next prime is 151875397. The reversal of 151875391 is 193578151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151875391 - 2⁵ = 151875359 is a prime.

It is a super-2 number, since 2×151875391² = 46132268782805762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151875397) 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 as a sum of consecutive naturals, namely, 75937695 + 75937696.

It is an arithmetic number, because the mean of its divisors is an integer number (75937696).

Almost surely, 2^151875391 is an apocalyptic number.

151875391 is a deficient number, since it is larger than the sum of its proper divisors (1).

151875391 is an equidigital number, since it uses as much as digits as its factorization.

151875391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 40.

The square root of 151875391 is about 12323.7734075242. The cubic root of 151875391 is about 533.5344535316.

The spelling of 151875391 in words is "one hundred fifty-one million, eight hundred seventy-five thousand, three hundred ninety-one".