2515254403 has 4 divisors (see below), whose sum is σ = 2525778720. Its totient is φ = 2504730088.

The previous prime is 2515254383. The next prime is 2515254421. The reversal of 2515254403 is 3044525152.

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

It is a cyclic number.

It is not a de Polignac number, because 2515254403 - 2⁹ = 2515253891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2515254463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5261800 + ... + 5262277.

It is an arithmetic number, because the mean of its divisors is an integer number (631444680).

Almost surely, 2^2515254403 is an apocalyptic number.

2515254403 is a deficient number, since it is larger than the sum of its proper divisors (10524317).

2515254403 is a wasteful number, since it uses less digits than its factorization.

2515254403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10524316.

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

The square root of 2515254403 is about 50152.3120404234. The cubic root of 2515254403 is about 1359.9636673901.

Adding to 2515254403 its reverse (3044525152), we get a palindrome (5559779555).

The spelling of 2515254403 in words is "two billion, five hundred fifteen million, two hundred fifty-four thousand, four hundred three".