761945137 has 2 divisors, whose sum is σ = 761945138. Its totient is φ = 761945136.

The previous prime is 761945131. The next prime is 761945141. The reversal of 761945137 is 731549167.

761945137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 593360881 + 168584256 = 24359^2 + 12984^2 .

It is an emirp because it is prime and its reverse (731549167) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 761945137 - 2¹¹ = 761943089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 761945093 and 761945102.

It is not a weakly prime, because it can be changed into another prime (761945131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380972568 + 380972569.

It is an arithmetic number, because the mean of its divisors is an integer number (380972569).

Almost surely, 2^761945137 is an apocalyptic number.

It is an amenable number.

761945137 is a deficient number, since it is larger than the sum of its proper divisors (1).

761945137 is an equidigital number, since it uses as much as digits as its factorization.

761945137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 43.

The square root of 761945137 is about 27603.3537274006. The cubic root of 761945137 is about 913.3584138808.

The spelling of 761945137 in words is "seven hundred sixty-one million, nine hundred forty-five thousand, one hundred thirty-seven".