15066761 has 2 divisors, whose sum is σ = 15066762. Its totient is φ = 15066760.

The previous prime is 15066749. The next prime is 15066763. The reversal of 15066761 is 16766051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14868736 + 198025 = 3856^2 + 445^2 .

It is a cyclic number.

It is not a de Polignac number, because 15066761 - 2¹⁴ = 15050377 is a prime.

It is a super-2 number, since 2×15066761² = 454014574062242, which contains 22 as substring.

Together with 15066763, 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 (15066763) 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, 7533380 + 7533381.

It is an arithmetic number, because the mean of its divisors is an integer number (7533381).

Almost surely, 2^15066761 is an apocalyptic number.

It is an amenable number.

15066761 is a deficient number, since it is larger than the sum of its proper divisors (1).

15066761 is an equidigital number, since it uses as much as digits as its factorization.

15066761 is an odious number, because the sum of its binary digits is odd.

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

The square root of 15066761 is about 3881.5925855247. The cubic root of 15066761 is about 246.9865477001.

The spelling of 15066761 in words is "fifteen million, sixty-six thousand, seven hundred sixty-one".