654023057 has 4 divisors (see below), whose sum is σ = 654074736. Its totient is φ = 653971380.

The previous prime is 654023053. The next prime is 654023059. The reversal of 654023057 is 750320456.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 654023057 - 2² = 654023053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654023053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7382 + ... + 36912.

It is an arithmetic number, because the mean of its divisors is an integer number (163518684).

Almost surely, 2^654023057 is an apocalyptic number.

It is an amenable number.

654023057 is a deficient number, since it is larger than the sum of its proper divisors (51679).

654023057 is a wasteful number, since it uses less digits than its factorization.

654023057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51678.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 654023057 is about 25573.8745011389. The cubic root of 654023057 is about 868.0225741296.

The spelling of 654023057 in words is "six hundred fifty-four million, twenty-three thousand, fifty-seven".