997075351 has 8 divisors (see below), whose sum is σ = 1054343808. Its totient is φ = 941376000.

The previous prime is 997075291. The next prime is 997075393. The reversal of 997075351 is 153570799.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 997075351 - 2¹¹ = 997073303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997073351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390970 + ... + 393511.

It is an arithmetic number, because the mean of its divisors is an integer number (131792976).

Almost surely, 2^997075351 is an apocalyptic number.

997075351 is a deficient number, since it is larger than the sum of its proper divisors (57268457).

997075351 is a wasteful number, since it uses less digits than its factorization.

997075351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784553.

The product of its (nonzero) digits is 297675, while the sum is 46.

The square root of 997075351 is about 31576.4999802068. The cubic root of 997075351 is about 999.0241650559.

The spelling of 997075351 in words is "nine hundred ninety-seven million, seventy-five thousand, three hundred fifty-one".