656054045 has 8 divisors (see below), whose sum is σ = 789230520. Its totient is φ = 523532800.

The previous prime is 656054033. The next prime is 656054101. The reversal of 656054045 is 540450656.

It can be written as a sum of positive squares in 4 ways, for example, as 492751204 + 163302841 = 22198^2 + 12779^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 656054045 - 2⁴ = 656054029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 656053996 and 656054014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161600 + ... + 165609.

It is an arithmetic number, because the mean of its divisors is an integer number (98653815).

Almost surely, 2^656054045 is an apocalyptic number.

It is an amenable number.

656054045 is a deficient number, since it is larger than the sum of its proper divisors (133176475).

656054045 is a wasteful number, since it uses less digits than its factorization.

656054045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327615.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 656054045 is about 25613.5519793722. The cubic root of 656054045 is about 868.9201580332.

The spelling of 656054045 in words is "six hundred fifty-six million, fifty-four thousand, forty-five".