997105003 has 4 divisors (see below), whose sum is σ = 1008308520. Its totient is φ = 985901488.

The previous prime is 997104949. The next prime is 997105013. The reversal of 997105003 is 300501799.

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

It is a cyclic number.

It is not a de Polignac number, because 997105003 - 2¹³ = 997096811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 997105003.

It is not an unprimeable number, because it can be changed into a prime (997105013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5601625 + ... + 5601802.

It is an arithmetic number, because the mean of its divisors is an integer number (252077130).

Almost surely, 2^997105003 is an apocalyptic number.

997105003 is a deficient number, since it is larger than the sum of its proper divisors (11203517).

997105003 is a wasteful number, since it uses less digits than its factorization.

997105003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11203516.

The product of its (nonzero) digits is 8505, while the sum is 34.

The square root of 997105003 is about 31576.9695031046. The cubic root of 997105003 is about 999.0340682763.

The spelling of 997105003 in words is "nine hundred ninety-seven million, one hundred five thousand, three".