151002491 has 2 divisors, whose sum is σ = 151002492. Its totient is φ = 151002490.

The previous prime is 151002479. The next prime is 151002497. The reversal of 151002491 is 194200151.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151002491 - 2⁶ = 151002427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (151002497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75501245 + 75501246.

It is an arithmetic number, because the mean of its divisors is an integer number (75501246).

Almost surely, 2^151002491 is an apocalyptic number.

151002491 is a deficient number, since it is larger than the sum of its proper divisors (1).

151002491 is an equidigital number, since it uses as much as digits as its factorization.

151002491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 151002491 is about 12288.3070843790. The cubic root of 151002491 is about 532.5103303484.

The spelling of 151002491 in words is "one hundred fifty-one million, two thousand, four hundred ninety-one".