654952477 has 4 divisors (see below), whose sum is σ = 689423680. Its totient is φ = 620481276.

The previous prime is 654952471. The next prime is 654952483. The reversal of 654952477 is 774259456.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (654952471) and next prime (654952483).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-654952477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 654952477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654952471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17235573 + ... + 17235610.

It is an arithmetic number, because the mean of its divisors is an integer number (172355920).

Almost surely, 2^654952477 is an apocalyptic number.

It is an amenable number.

654952477 is a deficient number, since it is larger than the sum of its proper divisors (34471203).

654952477 is a wasteful number, since it uses less digits than its factorization.

654952477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34471202.

The product of its digits is 2116800, while the sum is 49.

The square root of 654952477 is about 25592.0393286662. The cubic root of 654952477 is about 868.4335564222.

The spelling of 654952477 in words is "six hundred fifty-four million, nine hundred fifty-two thousand, four hundred seventy-seven".