697453 has 2 divisors, whose sum is σ = 697454. Its totient is φ = 697452.

The previous prime is 697447. The next prime is 697457. The reversal of 697453 is 354796.

697453 is nontrivially palindromic in base 15.

697453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 522729 + 174724 = 723^2 + 418^2 .

It is a cyclic number.

It is not a de Polignac number, because 697453 - 2¹³ = 689261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (697457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348726 + 348727.

It is an arithmetic number, because the mean of its divisors is an integer number (348727).

2⁶⁹⁷⁴⁵³ is an apocalyptic number.

It is an amenable number.

697453 is a deficient number, since it is larger than the sum of its proper divisors (1).

697453 is an equidigital number, since it uses as much as digits as its factorization.

697453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 697453 is about 835.1365157865. The cubic root of 697453 is about 88.6825792259.

The spelling of 697453 in words is "six hundred ninety-seven thousand, four hundred fifty-three".