45697609 has 2 divisors, whose sum is σ = 45697610. Its totient is φ = 45697608.

The previous prime is 45697579. The next prime is 45697633. The reversal of 45697609 is 90679654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45697600 + 9 = 6760^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 45697609 - 2⁹ = 45697097 is a prime.

It is not a weakly prime, because it can be changed into another prime (45697699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22848804 + 22848805.

It is an arithmetic number, because the mean of its divisors is an integer number (22848805).

Almost surely, 2^45697609 is an apocalyptic number.

It is an amenable number.

45697609 is a deficient number, since it is larger than the sum of its proper divisors (1).

45697609 is an equidigital number, since it uses as much as digits as its factorization.

45697609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 45697609 is about 6760.0006656804. Note that the first 3 decimals coincide. The cubic root of 45697609 is about 357.5179289100.

The spelling of 45697609 in words is "forty-five million, six hundred ninety-seven thousand, six hundred nine".