997297354 has 4 divisors (see below), whose sum is σ = 1495946034. Its totient is φ = 498648676.

The previous prime is 997297313. The next prime is 997297361. The reversal of 997297354 is 453792799.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 987656329 + 9641025 = 31427^2 + 3105^2 .

It is a junction number, because it is equal to n+sod(n) for n = 997297295 and 997297304.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249324337 + ... + 249324340.

Almost surely, 2^997297354 is an apocalyptic number.

997297354 is a deficient number, since it is larger than the sum of its proper divisors (498648680).

997297354 is a wasteful number, since it uses less digits than its factorization.

997297354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498648679.

The product of its digits is 4286520, while the sum is 55.

The square root of 997297354 is about 31580.0151044929. The cubic root of 997297354 is about 999.0983051908.

The spelling of 997297354 in words is "nine hundred ninety-seven million, two hundred ninety-seven thousand, three hundred fifty-four".