473976521 has 2 divisors, whose sum is σ = 473976522. Its totient is φ = 473976520.

The previous prime is 473976511. The next prime is 473976583. The reversal of 473976521 is 125679374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 472584121 + 1392400 = 21739^2 + 1180^2 .

It is a cyclic number.

It is not a de Polignac number, because 473976521 - 2⁶ = 473976457 is a prime.

It is not a weakly prime, because it can be changed into another prime (473976511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236988260 + 236988261.

It is an arithmetic number, because the mean of its divisors is an integer number (236988261).

Almost surely, 2^473976521 is an apocalyptic number.

It is an amenable number.

473976521 is a deficient number, since it is larger than the sum of its proper divisors (1).

473976521 is an equidigital number, since it uses as much as digits as its factorization.

473976521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 44.

The square root of 473976521 is about 21771.0018373064. The cubic root of 473976521 is about 779.6845760571.

The spelling of 473976521 in words is "four hundred seventy-three million, nine hundred seventy-six thousand, five hundred twenty-one".