151601951 has 2 divisors, whose sum is σ = 151601952. Its totient is φ = 151601950.

The previous prime is 151601939. The next prime is 151602041. The reversal of 151601951 is 159106151.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151601951 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151601921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75800975 + 75800976.

It is an arithmetic number, because the mean of its divisors is an integer number (75800976).

Almost surely, 2^151601951 is an apocalyptic number.

151601951 is a deficient number, since it is larger than the sum of its proper divisors (1).

151601951 is an equidigital number, since it uses as much as digits as its factorization.

151601951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 29.

The square root of 151601951 is about 12312.6744048562. The cubic root of 151601951 is about 533.2140652140.

The spelling of 151601951 in words is "one hundred fifty-one million, six hundred one thousand, nine hundred fifty-one".