151051591 has 2 divisors, whose sum is σ = 151051592. Its totient is φ = 151051590.

The previous prime is 151051573. The next prime is 151051619. The reversal of 151051591 is 195150151.

It is an a-pointer prime, because the next prime (151051619) can be obtained adding 151051591 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151051591 - 2⁹ = 151051079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151051531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75525795 + 75525796.

It is an arithmetic number, because the mean of its divisors is an integer number (75525796).

Almost surely, 2^151051591 is an apocalyptic number.

151051591 is a deficient number, since it is larger than the sum of its proper divisors (1).

151051591 is an equidigital number, since it uses as much as digits as its factorization.

151051591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1125, while the sum is 28.

The square root of 151051591 is about 12290.3047561889. The cubic root of 151051591 is about 532.5680411487.

The spelling of 151051591 in words is "one hundred fifty-one million, fifty-one thousand, five hundred ninety-one".