551431413 has 12 divisors (see below), whose sum is σ = 857782380. Its totient is φ = 339342336.

The previous prime is 551431403. The next prime is 551431421. The reversal of 551431413 is 314134155.

It is a happy number.

551431413 is a `hidden beast` number, since 5 + 514 + 3 + 141 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 176544369 + 374887044 = 13287^2 + 19362^2 .

It is not a de Polignac number, because 551431413 - 2⁸ = 551431157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551431403) 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, 2356428 + ... + 2356661.

It is an arithmetic number, because the mean of its divisors is an integer number (71481865).

Almost surely, 2^551431413 is an apocalyptic number.

It is an amenable number.

551431413 is a deficient number, since it is larger than the sum of its proper divisors (306350967).

551431413 is a wasteful number, since it uses less digits than its factorization.

551431413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713108 (or 4713105 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 551431413 is about 23482.5767964250. The cubic root of 551431413 is about 820.0314349440.

Adding to 551431413 its reverse (314134155), we get a palindrome (865565568).

The spelling of 551431413 in words is "five hundred fifty-one million, four hundred thirty-one thousand, four hundred thirteen".