2197453 has 2 divisors, whose sum is σ = 2197454. Its totient is φ = 2197452.

The previous prime is 2197427. The next prime is 2197463. The reversal of 2197453 is 3547912.

2197453 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., 1954404 + 243049 = 1398^2 + 493^2 .

It is a cyclic number.

It is not a de Polignac number, because 2197453 - 2⁵ = 2197421 is a prime.

2197453 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2197463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1098726 + 1098727.

It is an arithmetic number, because the mean of its divisors is an integer number (1098727).

2^2197453 is an apocalyptic number.

It is an amenable number.

2197453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2197453 is an equidigital number, since it uses as much as digits as its factorization.

2197453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 31.

The square root of 2197453 is about 1482.3808552460. The cubic root of 2197453 is about 130.0089342972.

The spelling of 2197453 in words is "two million, one hundred ninety-seven thousand, four hundred fifty-three".