5521251025 has 12 divisors (see below), whose sum is σ = 6847318192. Its totient is φ = 4416377040.

The previous prime is 5521251023. The next prime is 5521251049. The reversal of 5521251025 is 5201521255.

It is not a de Polignac number, because 5521251025 - 2¹ = 5521251023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5521250984 and 5521251002.

It is not an unprimeable number, because it can be changed into a prime (5521251023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 261514 + ... + 281836.

Almost surely, 2^5521251025 is an apocalyptic number.

It is an amenable number.

5521251025 is a deficient number, since it is larger than the sum of its proper divisors (1326067167).

5521251025 is a wasteful number, since it uses less digits than its factorization.

5521251025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31200 (or 31195 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 5521251025 is about 74305.1211223022. The cubic root of 5521251025 is about 1767.4446858980. Note that the first 3 decimals are identical.

The spelling of 5521251025 in words is "five billion, five hundred twenty-one million, two hundred fifty-one thousand, twenty-five".