2501001303 has 16 divisors (see below), whose sum is σ = 3438289536. Its totient is φ = 1616116320.

The previous prime is 2501001247. The next prime is 2501001313. The reversal of 2501001303 is 3031001052.

It is a happy number.

It is not a de Polignac number, because 2501001303 - 2²⁰ = 2499952727 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501001313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57100 + ... + 90897.

It is an arithmetic number, because the mean of its divisors is an integer number (214893096).

Almost surely, 2^2501001303 is an apocalyptic number.

2501001303 is a deficient number, since it is larger than the sum of its proper divisors (937288233).

2501001303 is a wasteful number, since it uses less digits than its factorization.

2501001303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148174.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 2501001303 is about 50010.0120275930. The cubic root of 2501001303 is about 1357.3899810786.

Adding to 2501001303 its reverse (3031001052), we get a palindrome (5532002355).

The spelling of 2501001303 in words is "two billion, five hundred one million, one thousand, three hundred three".