551425025 has 12 divisors (see below), whose sum is σ = 692007792. Its totient is φ = 435823440.

The previous prime is 551425013. The next prime is 551425027. The reversal of 551425025 is 520524155.

It is not a de Polignac number, because 551425025 - 2²⁴ = 534647809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (551425027) 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, 130799 + ... + 134948.

It is an arithmetic number, because the mean of its divisors is an integer number (57667316).

Almost surely, 2^551425025 is an apocalyptic number.

It is an amenable number.

551425025 is a deficient number, since it is larger than the sum of its proper divisors (140582767).

551425025 is a wasteful number, since it uses less digits than its factorization.

551425025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265840 (or 265835 counting only the distinct ones).

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

The square root of 551425025 is about 23482.4407802937. The cubic root of 551425025 is about 820.0282684088.

The spelling of 551425025 in words is "five hundred fifty-one million, four hundred twenty-five thousand, twenty-five".