551412225 has 192 divisors, whose sum is σ = 1279918080. Its totient is φ = 226540800.

The previous prime is 551412223. The next prime is 551412269. The reversal of 551412225 is 522214155.

551412225 is a `hidden beast` number, since 5 + 514 + 122 + 25 = 666.

It is not a de Polignac number, because 551412225 - 2¹ = 551412223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (551412223) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2886880 + ... + 2887070.

It is an arithmetic number, because the mean of its divisors is an integer number (6666240).

Almost surely, 2^551412225 is an apocalyptic number.

It is an amenable number.

551412225 is an abundant number, since it is smaller than the sum of its proper divisors (728505855).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551412225 is a wasteful number, since it uses less digits than its factorization.

551412225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 266 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 551412225 is about 23482.1682346414. The cubic root of 551412225 is about 820.0219233679.

The spelling of 551412225 in words is "five hundred fifty-one million, four hundred twelve thousand, two hundred twenty-five".