551461723 has 2 divisors, whose sum is σ = 551461724. Its totient is φ = 551461722.

The previous prime is 551461699. The next prime is 551461739. The reversal of 551461723 is 327164155.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551461723 is a prime.

It is a super-2 number, since 2×551461723² = 608220063868257458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (551461123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275730861 + 275730862.

It is an arithmetic number, because the mean of its divisors is an integer number (275730862).

Almost surely, 2^551461723 is an apocalyptic number.

551461723 is a deficient number, since it is larger than the sum of its proper divisors (1).

551461723 is an equidigital number, since it uses as much as digits as its factorization.

551461723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 34.

The square root of 551461723 is about 23483.2221596611. Note that the first 3 decimals coincide. The cubic root of 551461723 is about 820.0464592951.

The spelling of 551461723 in words is "five hundred fifty-one million, four hundred sixty-one thousand, seven hundred twenty-three".