997562 has 4 divisors (see below), whose sum is σ = 1496346. Its totient is φ = 498780.

The previous prime is 997553. The next prime is 997573. The reversal of 997562 is 265799.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 265799 = 131 ⋅2029.

It can be written as a sum of positive squares in only one way, i.e., 811801 + 185761 = 901^2 + 431^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 997562.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249389 + ... + 249392.

2⁹⁹⁷⁵⁶² is an apocalyptic number.

997562 is a deficient number, since it is larger than the sum of its proper divisors (498784).

997562 is a wasteful number, since it uses less digits than its factorization.

997562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498783.

The product of its digits is 34020, while the sum is 38.

The square root of 997562 is about 998.7802561124. The cubic root of 997562 is about 99.9186672010.

The spelling of 997562 in words is "nine hundred ninety-seven thousand, five hundred sixty-two".