151351591 has 2 divisors, whose sum is σ = 151351592. Its totient is φ = 151351590.

The previous prime is 151351589. The next prime is 151351601. The reversal of 151351591 is 195153151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151351591 - 2¹ = 151351589 is a prime.

Together with 151351589, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151351691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75675795 + 75675796.

It is an arithmetic number, because the mean of its divisors is an integer number (75675796).

Almost surely, 2^151351591 is an apocalyptic number.

151351591 is a deficient number, since it is larger than the sum of its proper divisors (1).

151351591 is an equidigital number, since it uses as much as digits as its factorization.

151351591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3375, while the sum is 31.

The square root of 151351591 is about 12302.5034444214. The cubic root of 151351591 is about 532.9203815991.

The spelling of 151351591 in words is "one hundred fifty-one million, three hundred fifty-one thousand, five hundred ninety-one".