697254469 has 2 divisors, whose sum is σ = 697254470. Its totient is φ = 697254468.

The previous prime is 697254433. The next prime is 697254521. The reversal of 697254469 is 964452796.

It is an a-pointer prime, because the next prime (697254521) can be obtained adding 697254469 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 680949025 + 16305444 = 26095^2 + 4038^2 .

It is a cyclic number.

It is not a de Polignac number, because 697254469 - 2¹⁷ = 697123397 is a prime.

It is a super-2 number, since 2×697254469² = 972327589080943922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (697254169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348627234 + 348627235.

It is an arithmetic number, because the mean of its divisors is an integer number (348627235).

Almost surely, 2^697254469 is an apocalyptic number.

It is an amenable number.

697254469 is a deficient number, since it is larger than the sum of its proper divisors (1).

697254469 is an equidigital number, since it uses as much as digits as its factorization.

697254469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 52.

The square root of 697254469 is about 26405.5764754341. The cubic root of 697254469 is about 886.7416388606.

The spelling of 697254469 in words is "six hundred ninety-seven million, two hundred fifty-four thousand, four hundred sixty-nine".