2491572103 has 8 divisors (see below), whose sum is σ = 2530918656. Its totient is φ = 2452447800.

The previous prime is 2491572101. The next prime is 2491572113. The reversal of 2491572103 is 3012751942.

It is a happy number.

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 2491572103 - 2¹ = 2491572101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2491572101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32893 + ... + 77878.

It is an arithmetic number, because the mean of its divisors is an integer number (316364832).

Almost surely, 2^2491572103 is an apocalyptic number.

2491572103 is a deficient number, since it is larger than the sum of its proper divisors (39346553).

2491572103 is a wasteful number, since it uses less digits than its factorization.

2491572103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111125.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 2491572103 is about 49915.6498805735. The cubic root of 2491572103 is about 1355.6819691317.

The spelling of 2491572103 in words is "two billion, four hundred ninety-one million, five hundred seventy-two thousand, one hundred three".