2513415445 has 4 divisors (see below), whose sum is σ = 3016098540. Its totient is φ = 2010732352.

The previous prime is 2513415431. The next prime is 2513415461. The reversal of 2513415445 is 5445143152.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1039546564 + 1473868881 = 32242^2 + 38391^2 .

It is a cyclic number.

It is not a de Polignac number, because 2513415445 - 2⁹ = 2513414933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2513415445.

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, 251341540 + ... + 251341549.

It is an arithmetic number, because the mean of its divisors is an integer number (754024635).

Almost surely, 2^2513415445 is an apocalyptic number.

It is an amenable number.

2513415445 is a deficient number, since it is larger than the sum of its proper divisors (502683095).

2513415445 is an equidigital number, since it uses as much as digits as its factorization.

2513415445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502683094.

The product of its digits is 48000, while the sum is 34.

The square root of 2513415445 is about 50133.9749571087. The cubic root of 2513415445 is about 1359.6321534351.

Adding to 2513415445 its reverse (5445143152), we get a palindrome (7958558597).

The spelling of 2513415445 in words is "two billion, five hundred thirteen million, four hundred fifteen thousand, four hundred forty-five".