653322473 has 2 divisors, whose sum is σ = 653322474. Its totient is φ = 653322472.

The previous prime is 653322407. The next prime is 653322487. The reversal of 653322473 is 374223356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 356001424 + 297321049 = 18868^2 + 17243^2 .

It is a cyclic number.

It is not a de Polignac number, because 653322473 - 2²² = 649128169 is a prime.

It is not a weakly prime, because it can be changed into another prime (653322493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326661236 + 326661237.

It is an arithmetic number, because the mean of its divisors is an integer number (326661237).

Almost surely, 2^653322473 is an apocalyptic number.

It is an amenable number.

653322473 is a deficient number, since it is larger than the sum of its proper divisors (1).

653322473 is an equidigital number, since it uses as much as digits as its factorization.

653322473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 35.

The square root of 653322473 is about 25560.1735713981. The cubic root of 653322473 is about 867.7125239010.

The spelling of 653322473 in words is "six hundred fifty-three million, three hundred twenty-two thousand, four hundred seventy-three".