997059345 has 16 divisors (see below), whose sum is σ = 1597257792. Its totient is φ = 531110720.

The previous prime is 997059341. The next prime is 997059383. The reversal of 997059345 is 543950799.

It is a happy number.

It is not a de Polignac number, because 997059345 - 2² = 997059341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (997059341) 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, 28167 + ... + 52796.

It is an arithmetic number, because the mean of its divisors is an integer number (99828612).

Almost surely, 2^997059345 is an apocalyptic number.

It is an amenable number.

997059345 is a deficient number, since it is larger than the sum of its proper divisors (600198447).

997059345 is a wasteful number, since it uses less digits than its factorization.

997059345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81792.

The product of its (nonzero) digits is 1530900, while the sum is 51.

The square root of 997059345 is about 31576.2465312139. The cubic root of 997059345 is about 999.0188192659.

The spelling of 997059345 in words is "nine hundred ninety-seven million, fifty-nine thousand, three hundred forty-five".