65899045 has 4 divisors (see below), whose sum is σ = 79078860. Its totient is φ = 52719232.

The previous prime is 65899039. The next prime is 65899051. The reversal of 65899045 is 54099856.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (65899039) and next prime (65899051).

It can be written as a sum of positive squares in 2 ways, for example, as 13147876 + 52751169 = 3626^2 + 7263^2 .

It is a cyclic number.

It is not a de Polignac number, because 65899045 - 2³ = 65899037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65898986 and 65899004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6589900 + ... + 6589909.

It is an arithmetic number, because the mean of its divisors is an integer number (19769715).

Almost surely, 2^65899045 is an apocalyptic number.

It is an amenable number.

65899045 is a deficient number, since it is larger than the sum of its proper divisors (13179815).

65899045 is a wasteful number, since it uses less digits than its factorization.

65899045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13179814.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 65899045 is about 8117.8226760628. The cubic root of 65899045 is about 403.9178446969.

The spelling of 65899045 in words is "sixty-five million, eight hundred ninety-nine thousand, forty-five".