2552120525 has 6 divisors (see below), whose sum is σ = 3164629482. Its totient is φ = 2041696400.

The previous prime is 2552120521. The next prime is 2552120573. The reversal of 2552120525 is 5250212552.

It can be written as a sum of positive squares in 3 ways, for example, as 3587236 + 2548533289 = 1894^2 + 50483^2 .

It is not a de Polignac number, because 2552120525 - 2² = 2552120521 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 (2552120521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51042386 + ... + 51042435.

It is an arithmetic number, because the mean of its divisors is an integer number (527438247).

Almost surely, 2^2552120525 is an apocalyptic number.

2552120525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2552120525 is a deficient number, since it is larger than the sum of its proper divisors (612508957).

2552120525 is a wasteful number, since it uses less digits than its factorization.

2552120525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102084831 (or 102084826 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 2552120525 is about 50518.5166547871. The cubic root of 2552120525 is about 1366.5758031665.

The spelling of 2552120525 in words is "two billion, five hundred fifty-two million, one hundred twenty thousand, five hundred twenty-five".