151376261 has 2 divisors, whose sum is σ = 151376262. Its totient is φ = 151376260.

The previous prime is 151376227. The next prime is 151376263. The reversal of 151376261 is 162673151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141729025 + 9647236 = 11905^2 + 3106^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151376261 is a prime.

It is a Sophie Germain prime.

Together with 151376263, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151376263) 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, 75688130 + 75688131.

It is an arithmetic number, because the mean of its divisors is an integer number (75688131).

Almost surely, 2^151376261 is an apocalyptic number.

It is an amenable number.

151376261 is a deficient number, since it is larger than the sum of its proper divisors (1).

151376261 is an equidigital number, since it uses as much as digits as its factorization.

151376261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 32.

The square root of 151376261 is about 12303.5060450264. The cubic root of 151376261 is about 532.9493350037.

The spelling of 151376261 in words is "one hundred fifty-one million, three hundred seventy-six thousand, two hundred sixty-one".