761415541 has 2 divisors, whose sum is σ = 761415542. Its totient is φ = 761415540.

The previous prime is 761415539. The next prime is 761415593. The reversal of 761415541 is 145514167.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 563872516 + 197543025 = 23746^2 + 14055^2 .

It is an emirp because it is prime and its reverse (145514167) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 761415541 - 2¹ = 761415539 is a prime.

Together with 761415539, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 761415497 and 761415506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (761415041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380707770 + 380707771.

It is an arithmetic number, because the mean of its divisors is an integer number (380707771).

Almost surely, 2^761415541 is an apocalyptic number.

It is an amenable number.

761415541 is a deficient number, since it is larger than the sum of its proper divisors (1).

761415541 is an equidigital number, since it uses as much as digits as its factorization.

761415541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 34.

The square root of 761415541 is about 27593.7590951287. The cubic root of 761415541 is about 913.1467525020.

The spelling of 761415541 in words is "seven hundred sixty-one million, four hundred fifteen thousand, five hundred forty-one".