545462761 has 2 divisors, whose sum is σ = 545462762. Its totient is φ = 545462760.

The previous prime is 545462741. The next prime is 545462767. The reversal of 545462761 is 167264545.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 538472025 + 6990736 = 23205^2 + 2644^2 .

It is a cyclic number.

It is not a de Polignac number, because 545462761 - 2⁷ = 545462633 is a prime.

It is not a weakly prime, because it can be changed into another prime (545462767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272731380 + 272731381.

It is an arithmetic number, because the mean of its divisors is an integer number (272731381).

Almost surely, 2^545462761 is an apocalyptic number.

It is an amenable number.

545462761 is a deficient number, since it is larger than the sum of its proper divisors (1).

545462761 is an equidigital number, since it uses as much as digits as its factorization.

545462761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 40.

The square root of 545462761 is about 23355.1442085036. The cubic root of 545462761 is about 817.0620427528.

The spelling of 545462761 in words is "five hundred forty-five million, four hundred sixty-two thousand, seven hundred sixty-one".