2525203122 has 128 divisors (see below), whose sum is σ = 5782081536. Its totient is φ = 730017792.

The previous prime is 2525203117. The next prime is 2525203123. The reversal of 2525203122 is 2213025252.

It is a junction number, because it is equal to n+sod(n) for n = 2525203092 and 2525203101.

It is not an unprimeable number, because it can be changed into a prime (2525203123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13083858 + ... + 13084050.

It is an arithmetic number, because the mean of its divisors is an integer number (45172512).

Almost surely, 2^2525203122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2525203122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2891040768).

2525203122 is an abundant number, since it is smaller than the sum of its proper divisors (3256878414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2525203122 is a wasteful number, since it uses less digits than its factorization.

2525203122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2525203122 is about 50251.3992044003. The cubic root of 2525203122 is about 1361.7543539771.

Adding to 2525203122 its reverse (2213025252), we get a palindrome (4738228374).

The spelling of 2525203122 in words is "two billion, five hundred twenty-five million, two hundred three thousand, one hundred twenty-two".