712505551 has 2 divisors, whose sum is σ = 712505552. Its totient is φ = 712505550.

The previous prime is 712505539. The next prime is 712505561. The reversal of 712505551 is 155505217.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 712505551 - 2¹⁷ = 712374479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712505561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356252775 + 356252776.

It is an arithmetic number, because the mean of its divisors is an integer number (356252776).

Almost surely, 2^712505551 is an apocalyptic number.

712505551 is a deficient number, since it is larger than the sum of its proper divisors (1).

712505551 is an equidigital number, since it uses as much as digits as its factorization.

712505551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8750, while the sum is 31.

The square root of 712505551 is about 26692.7996096326. The cubic root of 712505551 is about 893.1603133428.

The spelling of 712505551 in words is "seven hundred twelve million, five hundred five thousand, five hundred fifty-one".