2502451345 has 4 divisors (see below), whose sum is σ = 3002941620. Its totient is φ = 2001961072.

The previous prime is 2502451309. The next prime is 2502451361. The reversal of 2502451345 is 5431542052.

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 1065434881 + 1437016464 = 32641^2 + 37908^2 .

It is a cyclic number.

It is not a de Polignac number, because 2502451345 - 2²⁹ = 1965580433 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250245130 + ... + 250245139.

It is an arithmetic number, because the mean of its divisors is an integer number (750735405).

Almost surely, 2^2502451345 is an apocalyptic number.

It is an amenable number.

2502451345 is a deficient number, since it is larger than the sum of its proper divisors (500490275).

2502451345 is an equidigital number, since it uses as much as digits as its factorization.

2502451345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500490274.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 2502451345 is about 50024.5074438520. The cubic root of 2502451345 is about 1357.6522616582.

Adding to 2502451345 its reverse (5431542052), we get a palindrome (7933993397).

The spelling of 2502451345 in words is "two billion, five hundred two million, four hundred fifty-one thousand, three hundred forty-five".