2525167789 has 4 divisors (see below), whose sum is σ = 2529247840. Its totient is φ = 2521087740.

The previous prime is 2525167787. The next prime is 2525167859. The reversal of 2525167789 is 9877615252.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2525167789 - 2¹ = 2525167787 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 (2525167781) 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, 2039097 + ... + 2040334.

It is an arithmetic number, because the mean of its divisors is an integer number (632311960).

Almost surely, 2^2525167789 is an apocalyptic number.

It is an amenable number.

2525167789 is a deficient number, since it is larger than the sum of its proper divisors (4080051).

2525167789 is an equidigital number, since it uses as much as digits as its factorization.

2525167789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080050.

The product of its digits is 2116800, while the sum is 52.

The square root of 2525167789 is about 50251.0476408204. The cubic root of 2525167789 is about 1361.7480026609.

The spelling of 2525167789 in words is "two billion, five hundred twenty-five million, one hundred sixty-seven thousand, seven hundred eighty-nine".