1653425273 has 2 divisors, whose sum is σ = 1653425274. Its totient is φ = 1653425272.

The previous prime is 1653425197. The next prime is 1653425297. The reversal of 1653425273 is 3725243561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1473945664 + 179479609 = 38392^2 + 13397^2 .

It is a cyclic number.

It is not a de Polignac number, because 1653425273 - 2¹⁸ = 1653163129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1653422273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826712636 + 826712637.

It is an arithmetic number, because the mean of its divisors is an integer number (826712637).

Almost surely, 2^1653425273 is an apocalyptic number.

It is an amenable number.

1653425273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1653425273 is an equidigital number, since it uses as much as digits as its factorization.

1653425273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 38.

The square root of 1653425273 is about 40662.3323605521. The cubic root of 1653425273 is about 1182.4828676858.

The spelling of 1653425273 in words is "one billion, six hundred fifty-three million, four hundred twenty-five thousand, two hundred seventy-three".