2403255251 has 12 divisors (see below), whose sum is σ = 2471341752. Its totient is φ = 2335773888.

The previous prime is 2403255229. The next prime is 2403255263. The reversal of 2403255251 is 1525523042.

It is a de Polignac number, because none of the positive numbers 2^k-2403255251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2403255551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4052411 + ... + 4053003.

It is an arithmetic number, because the mean of its divisors is an integer number (205945146).

Almost surely, 2^2403255251 is an apocalyptic number.

2403255251 is a deficient number, since it is larger than the sum of its proper divisors (68086501).

2403255251 is an frugal number, since it uses more digits than its factorization.

2403255251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250 (or 943 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2403255251 is about 49023.0073638899. The cubic root of 2403255251 is about 1339.4709523250.

Adding to 2403255251 its reverse (1525523042), we get a palindrome (3928778293).

The spelling of 2403255251 in words is "two billion, four hundred three million, two hundred fifty-five thousand, two hundred fifty-one".