997305461 has 8 divisors (see below), whose sum is σ = 1041681984. Its totient is φ = 953013600.

The previous prime is 997305457. The next prime is 997305467. The reversal of 997305461 is 164503799.

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 997305461 - 2² = 997305457 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 (997305467) 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, 3545 + ... + 44801.

It is an arithmetic number, because the mean of its divisors is an integer number (130210248).

Almost surely, 2^997305461 is an apocalyptic number.

It is an amenable number.

997305461 is a deficient number, since it is larger than the sum of its proper divisors (44376523).

997305461 is a wasteful number, since it uses less digits than its factorization.

997305461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42331.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 997305461 is about 31580.1434607254. The cubic root of 997305461 is about 999.1010123968.

The spelling of 997305461 in words is "nine hundred ninety-seven million, three hundred five thousand, four hundred sixty-one".