761536249 has 2 divisors, whose sum is σ = 761536250. Its totient is φ = 761536248.

The previous prime is 761536229. The next prime is 761536319. The reversal of 761536249 is 942635167.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 637057600 + 124478649 = 25240^2 + 11157^2 .

It is a cyclic number.

It is not a de Polignac number, because 761536249 - 2¹¹ = 761534201 is a prime.

It is not a weakly prime, because it can be changed into another prime (761536229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380768124 + 380768125.

It is an arithmetic number, because the mean of its divisors is an integer number (380768125).

Almost surely, 2^761536249 is an apocalyptic number.

It is an amenable number.

761536249 is a deficient number, since it is larger than the sum of its proper divisors (1).

761536249 is an equidigital number, since it uses as much as digits as its factorization.

761536249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The square root of 761536249 is about 27595.9462421567. The cubic root of 761536249 is about 913.1950039880.

The spelling of 761536249 in words is "seven hundred sixty-one million, five hundred thirty-six thousand, two hundred forty-nine".