2501125043 has 4 divisors (see below), whose sum is σ = 2581806528. Its totient is φ = 2420443560.

The previous prime is 2501125027. The next prime is 2501125049. The reversal of 2501125043 is 3405211052.

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

It is a cyclic number.

It is not a de Polignac number, because 2501125043 - 2⁴ = 2501125027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2501125049) 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, 40340696 + ... + 40340757.

It is an arithmetic number, because the mean of its divisors is an integer number (645451632).

Almost surely, 2^2501125043 is an apocalyptic number.

2501125043 is a deficient number, since it is larger than the sum of its proper divisors (80681485).

2501125043 is an equidigital number, since it uses as much as digits as its factorization.

2501125043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80681484.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2501125043 is about 50011.2491645630. The cubic root of 2501125043 is about 1357.4123668681.

Adding to 2501125043 its reverse (3405211052), we get a palindrome (5906336095).

The spelling of 2501125043 in words is "two billion, five hundred one million, one hundred twenty-five thousand, forty-three".