2520254403 has 24 divisors (see below), whose sum is σ = 3866894928. Its totient is φ = 1576253952.

The previous prime is 2520254389. The next prime is 2520254431. The reversal of 2520254403 is 3044520252.

It is a happy number.

2520254403 is a `hidden beast` number, since 2 + 5 + 2 + 0 + 254 + 403 = 666.

It is not a de Polignac number, because 2520254403 - 2⁸ = 2520254147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2520234403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21576 + ... + 74202.

It is an arithmetic number, because the mean of its divisors is an integer number (161120622).

Almost surely, 2^2520254403 is an apocalyptic number.

2520254403 is a deficient number, since it is larger than the sum of its proper divisors (1346640525).

2520254403 is a wasteful number, since it uses less digits than its factorization.

2520254403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52963 (or 52960 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 2520254403 is about 50202.1354426283. The cubic root of 2520254403 is about 1360.8642148097.

Adding to 2520254403 its reverse (3044520252), we get a palindrome (5564774655).

The spelling of 2520254403 in words is "two billion, five hundred twenty million, two hundred fifty-four thousand, four hundred three".