1097523 has 16 divisors (see below), whose sum is σ = 1858560. Its totient is φ = 627048.

The previous prime is 1097513. The next prime is 1097533. The reversal of 1097523 is 3257901.

It is an interprime number because it is at equal distance from previous prime (1097513) and next prime (1097533).

It is not a de Polignac number, because 1097523 - 2⁸ = 1097267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1097513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2715 + ... + 3092.

It is an arithmetic number, because the mean of its divisors is an integer number (116160).

2^1097523 is an apocalyptic number.

1097523 is a deficient number, since it is larger than the sum of its proper divisors (761037).

1097523 is an equidigital number, since it uses as much as digits as its factorization.

1097523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5823 (or 5817 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 1097523 is about 1047.6273192314. The cubic root of 1097523 is about 103.1504697420.

The spelling of 1097523 in words is "one million, ninety-seven thousand, five hundred twenty-three".