151729961 has 2 divisors, whose sum is σ = 151729962. Its totient is φ = 151729960.

The previous prime is 151729927. The next prime is 151729987. The reversal of 151729961 is 169927151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96138025 + 55591936 = 9805^2 + 7456^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151729961 is a prime.

It is not a weakly prime, because it can be changed into another prime (151729261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75864980 + 75864981.

It is an arithmetic number, because the mean of its divisors is an integer number (75864981).

Almost surely, 2^151729961 is an apocalyptic number.

It is an amenable number.

151729961 is a deficient number, since it is larger than the sum of its proper divisors (1).

151729961 is an equidigital number, since it uses as much as digits as its factorization.

151729961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 41.

The square root of 151729961 is about 12317.8716099820. The cubic root of 151729961 is about 533.3641018273.

The spelling of 151729961 in words is "one hundred fifty-one million, seven hundred twenty-nine thousand, nine hundred sixty-one".