2499000101 has 4 divisors (see below), whose sum is σ = 2691230892. Its totient is φ = 2306769312.

The previous prime is 2499000089. The next prime is 2499000109. The reversal of 2499000101 is 1010009942.

It is a Cunningham number, because it is equal to 49990²+1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 369639076 + 2129361025 = 19226^2 + 46145^2 .

It is a cyclic number.

It is not a de Polignac number, because 2499000101 - 2²⁶ = 2431891237 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 (2499000109) 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, 96115376 + ... + 96115401.

It is an arithmetic number, because the mean of its divisors is an integer number (672807723).

Almost surely, 2^2499000101 is an apocalyptic number.

It is an amenable number.

2499000101 is a deficient number, since it is larger than the sum of its proper divisors (192230791).

2499000101 is a wasteful number, since it uses less digits than its factorization.

2499000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192230790.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 2499000101 is about 49990.0000100020. Note that the first 4 decimals coincide. The cubic root of 2499000101 is about 1357.0278412714.

The spelling of 2499000101 in words is "two billion, four hundred ninety-nine million, one hundred one", and thus it is an aban number.