2500571267 has 4 divisors (see below), whose sum is σ = 2500985256. Its totient is φ = 2500157280.

The previous prime is 2500571257. The next prime is 2500571287. The reversal of 2500571267 is 7621750052.

It is a happy number.

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 2500571267 - 2²⁶ = 2433462403 is a prime.

It is a super-2 number, since 2×2500571267² = 12505713322691970578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2500571257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197798 + ... + 210059.

It is an arithmetic number, because the mean of its divisors is an integer number (625246314).

Almost surely, 2^2500571267 is an apocalyptic number.

2500571267 is a deficient number, since it is larger than the sum of its proper divisors (413989).

2500571267 is an equidigital number, since it uses as much as digits as its factorization.

2500571267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413988.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 2500571267 is about 50005.7123436913. The cubic root of 2500571267 is about 1357.3121775716.

The spelling of 2500571267 in words is "two billion, five hundred million, five hundred seventy-one thousand, two hundred sixty-seven".