754221697 has 2 divisors, whose sum is σ = 754221698. Its totient is φ = 754221696.

The previous prime is 754221679. The next prime is 754221709. The reversal of 754221697 is 796122457.

Together with previous prime (754221679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 694638736 + 59582961 = 26356^2 + 7719^2 .

It is a cyclic number.

It is not a de Polignac number, because 754221697 - 2¹⁹ = 753697409 is a prime.

It is equal to p_38909446 and since 754221697 and 38909446 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (754221607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377110848 + 377110849.

It is an arithmetic number, because the mean of its divisors is an integer number (377110849).

Almost surely, 2^754221697 is an apocalyptic number.

It is an amenable number.

754221697 is a deficient number, since it is larger than the sum of its proper divisors (1).

754221697 is an equidigital number, since it uses as much as digits as its factorization.

754221697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 43.

The square root of 754221697 is about 27463.0970030694. The cubic root of 754221697 is about 910.2618483278.

The spelling of 754221697 in words is "seven hundred fifty-four million, two hundred twenty-one thousand, six hundred ninety-seven".