654675761 has 4 divisors (see below), whose sum is σ = 689132400. Its totient is φ = 620219124.

The previous prime is 654675757. The next prime is 654675773. The reversal of 654675761 is 167576456.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 654675761 - 2² = 654675757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654675061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17228291 + ... + 17228328.

It is an arithmetic number, because the mean of its divisors is an integer number (172283100).

Almost surely, 2^654675761 is an apocalyptic number.

It is an amenable number.

654675761 is a deficient number, since it is larger than the sum of its proper divisors (34456639).

654675761 is a wasteful number, since it uses less digits than its factorization.

654675761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34456638.

The product of its digits is 1058400, while the sum is 47.

The square root of 654675761 is about 25586.6324669738. The cubic root of 654675761 is about 868.3112354296.

The spelling of 654675761 in words is "six hundred fifty-four million, six hundred seventy-five thousand, seven hundred sixty-one".