45253313 has 12 divisors (see below), whose sum is σ = 53189892. Its totient is φ = 38384640.

The previous prime is 45253309. The next prime is 45253319. The reversal of 45253313 is 31335254.

It can be written as a sum of positive squares in 2 ways, for example, as 20133169 + 25120144 = 4487^2 + 5012^2 .

It is not a de Polignac number, because 45253313 - 2² = 45253309 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45253319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8 + ... + 9513.

It is an arithmetic number, because the mean of its divisors is an integer number (4432491).

Almost surely, 2^45253313 is an apocalyptic number.

It is an amenable number.

45253313 is a deficient number, since it is larger than the sum of its proper divisors (7936579).

45253313 is an equidigital number, since it uses as much as digits as its factorization.

45253313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9632 (or 9625 counting only the distinct ones).

The product of its digits is 5400, while the sum is 26.

The square root of 45253313 is about 6727.0582723803. The cubic root of 45253313 is about 356.3554948472.

Adding to 45253313 its reverse (31335254), we get a palindrome (76588567).

The spelling of 45253313 in words is "forty-five million, two hundred fifty-three thousand, three hundred thirteen".