761261057 has 2 divisors, whose sum is σ = 761261058. Its totient is φ = 761261056.

The previous prime is 761260979. The next prime is 761261089. The reversal of 761261057 is 750162167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 641051761 + 120209296 = 25319^2 + 10964^2 .

It is a cyclic number.

It is not a de Polignac number, because 761261057 - 2¹⁸ = 760998913 is a prime.

It is not a weakly prime, because it can be changed into another prime (761261257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380630528 + 380630529.

It is an arithmetic number, because the mean of its divisors is an integer number (380630529).

Almost surely, 2^761261057 is an apocalyptic number.

It is an amenable number.

761261057 is a deficient number, since it is larger than the sum of its proper divisors (1).

761261057 is an equidigital number, since it uses as much as digits as its factorization.

761261057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 761261057 is about 27590.9596969732. The cubic root of 761261057 is about 913.0849920498.

The spelling of 761261057 in words is "seven hundred sixty-one million, two hundred sixty-one thousand, fifty-seven".