905052761 has 2 divisors, whose sum is σ = 905052762. Its totient is φ = 905052760.

The previous prime is 905052739. The next prime is 905052779. The reversal of 905052761 is 167250509.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 864654025 + 40398736 = 29405^2 + 6356^2 .

It is a cyclic number.

It is not a de Polignac number, because 905052761 - 2¹⁸ = 904790617 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (905052661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452526380 + 452526381.

It is an arithmetic number, because the mean of its divisors is an integer number (452526381).

Almost surely, 2^905052761 is an apocalyptic number.

It is an amenable number.

905052761 is a deficient number, since it is larger than the sum of its proper divisors (1).

905052761 is an equidigital number, since it uses as much as digits as its factorization.

905052761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 905052761 is about 30084.0948176940. The cubic root of 905052761 is about 967.2928239010.

The spelling of 905052761 in words is "nine hundred five million, fifty-two thousand, seven hundred sixty-one".