2501530345 has 8 divisors (see below), whose sum is σ = 3002762376. Its totient is φ = 2000606976.

The previous prime is 2501530279. The next prime is 2501530363. The reversal of 2501530345 is 5430351052.

It can be written as a sum of positive squares in 4 ways, for example, as 127599616 + 2373930729 = 11296^2 + 48723^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2501530345 - 2¹¹ = 2501528297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58942 + ... + 92071.

It is an arithmetic number, because the mean of its divisors is an integer number (375345297).

Almost surely, 2^2501530345 is an apocalyptic number.

It is an amenable number.

2501530345 is a deficient number, since it is larger than the sum of its proper divisors (501232031).

2501530345 is a wasteful number, since it uses less digits than its factorization.

2501530345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154331.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 2501530345 is about 50015.3011087607. The cubic root of 2501530345 is about 1357.4856848381.

Adding to 2501530345 its reverse (5430351052), we get a palindrome (7931881397).

The spelling of 2501530345 in words is "two billion, five hundred one million, five hundred thirty thousand, three hundred forty-five".