151649651 has 2 divisors, whose sum is σ = 151649652. Its totient is φ = 151649650.

The previous prime is 151649623. The next prime is 151649653. The reversal of 151649651 is 156946151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151649651 - 2⁶ = 151649587 is a prime.

It is a Sophie Germain prime.

Together with 151649653, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (151649653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75824825 + 75824826.

It is an arithmetic number, because the mean of its divisors is an integer number (75824826).

Almost surely, 2^151649651 is an apocalyptic number.

151649651 is a deficient number, since it is larger than the sum of its proper divisors (1).

151649651 is an equidigital number, since it uses as much as digits as its factorization.

151649651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 38.

The square root of 151649651 is about 12314.6112809134. The cubic root of 151649651 is about 533.2699827966.

The spelling of 151649651 in words is "one hundred fifty-one million, six hundred forty-nine thousand, six hundred fifty-one".