2525111228 has 12 divisors (see below), whose sum is σ = 4419308712. Its totient is φ = 1262451600.

The previous prime is 2525111219. The next prime is 2525111233. The reversal of 2525111228 is 8221115252.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2525111228.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60851 + ... + 93557.

It is an arithmetic number, because the mean of its divisors is an integer number (368275726).

Almost surely, 2^2525111228 is an apocalyptic number.

It is an amenable number.

2525111228 is a deficient number, since it is larger than the sum of its proper divisors (1894197484).

2525111228 is a wasteful number, since it uses less digits than its factorization.

2525111228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52012 (or 52010 counting only the distinct ones).

The product of its digits is 3200, while the sum is 29.

The square root of 2525111228 is about 50250.4848533823. The cubic root of 2525111228 is about 1361.7378353624.

The spelling of 2525111228 in words is "two billion, five hundred twenty-five million, one hundred eleven thousand, two hundred twenty-eight".