2555220525 has 120 divisors (see below), whose sum is σ = 5032490400. Its totient is φ = 1137206400.

The previous prime is 2555220511. The next prime is 2555220559. The reversal of 2555220525 is 5250225552.

It is not a de Polignac number, because 2555220525 - 2¹⁵ = 2555187757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 14274886 + ... + 14275064.

It is an arithmetic number, because the mean of its divisors is an integer number (41937420).

Almost surely, 2^2555220525 is an apocalyptic number.

2555220525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2555220525 is a deficient number, since it is larger than the sum of its proper divisors (2477269875).

2555220525 is a wasteful number, since it uses less digits than its factorization.

2555220525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 33.

The square root of 2555220525 is about 50549.1891626364. The cubic root of 2555220525 is about 1367.1288949747.

The spelling of 2555220525 in words is "two billion, five hundred fifty-five million, two hundred twenty thousand, five hundred twenty-five".