151974913 has 2 divisors, whose sum is σ = 151974914. Its totient is φ = 151974912.

The previous prime is 151974881. The next prime is 151974919. The reversal of 151974913 is 319479151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106977649 + 44997264 = 10343^2 + 6708^2 .

It is an emirp because it is prime and its reverse (319479151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151974913 - 2⁵ = 151974881 is a prime.

It is not a weakly prime, because it can be changed into another prime (151974919) 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, 75987456 + 75987457.

It is an arithmetic number, because the mean of its divisors is an integer number (75987457).

Almost surely, 2^151974913 is an apocalyptic number.

It is an amenable number.

151974913 is a deficient number, since it is larger than the sum of its proper divisors (1).

151974913 is an equidigital number, since it uses as much as digits as its factorization.

151974913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 40.

The square root of 151974913 is about 12327.8105517565. The cubic root of 151974913 is about 533.6509675184.

The spelling of 151974913 in words is "one hundred fifty-one million, nine hundred seventy-four thousand, nine hundred thirteen".