45259619 has 2 divisors, whose sum is σ = 45259620. Its totient is φ = 45259618.

The previous prime is 45259603. The next prime is 45259631. The reversal of 45259619 is 91695254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45259619 - 2⁴ = 45259603 is a prime.

It is a super-2 number, since 2×45259619² = 4096866224050322, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (45259679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22629809 + 22629810.

It is an arithmetic number, because the mean of its divisors is an integer number (22629810).

Almost surely, 2^45259619 is an apocalyptic number.

45259619 is a deficient number, since it is larger than the sum of its proper divisors (1).

45259619 is an equidigital number, since it uses as much as digits as its factorization.

45259619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 41.

The square root of 45259619 is about 6727.5269601838. The cubic root of 45259619 is about 356.3720466621.

The spelling of 45259619 in words is "forty-five million, two hundred fifty-nine thousand, six hundred nineteen".