151761761 has 2 divisors, whose sum is σ = 151761762. Its totient is φ = 151761760.

The previous prime is 151761697. The next prime is 151761781. The reversal of 151761761 is 167167151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81721600 + 70040161 = 9040^2 + 8369^2 .

It is a cyclic number.

It is not a de Polignac number, because 151761761 - 2⁶ = 151761697 is a prime.

It is a super-2 number, since 2×151761761² = 46063264203642242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (151761781) 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, 75880880 + 75880881.

It is an arithmetic number, because the mean of its divisors is an integer number (75880881).

Almost surely, 2^151761761 is an apocalyptic number.

It is an amenable number.

151761761 is a deficient number, since it is larger than the sum of its proper divisors (1).

151761761 is an equidigital number, since it uses as much as digits as its factorization.

151761761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820, while the sum is 35.

The square root of 151761761 is about 12319.1623497704. The cubic root of 151761761 is about 533.4013605501.

The spelling of 151761761 in words is "one hundred fifty-one million, seven hundred sixty-one thousand, seven hundred sixty-one".