476200661 has 2 divisors, whose sum is σ = 476200662. Its totient is φ = 476200660.

The previous prime is 476200657. The next prime is 476200679. The reversal of 476200661 is 166002674.

476200661 = 15430² + 15431².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238115761 + 238084900 = 15431^2 + 15430^2 .

It is a cyclic number.

It is not a de Polignac number, because 476200661 - 2² = 476200657 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (476230661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238100330 + 238100331.

It is an arithmetic number, because the mean of its divisors is an integer number (238100331).

Almost surely, 2^476200661 is an apocalyptic number.

476200661 is the 15431-st centered square number.

It is an amenable number.

476200661 is a deficient number, since it is larger than the sum of its proper divisors (1).

476200661 is an equidigital number, since it uses as much as digits as its factorization.

476200661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 476200661 is about 21822.0223856544. The cubic root of 476200661 is about 780.9022328780.

The spelling of 476200661 in words is "four hundred seventy-six million, two hundred thousand, six hundred sixty-one".