997480033 has 4 divisors (see below), whose sum is σ = 1088160048. Its totient is φ = 906800020.

The previous prime is 997480007. The next prime is 997480061. The reversal of 997480033 is 330084799.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 997480033 - 2⁹ = 997479521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (997480063) 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, 45339991 + ... + 45340012.

It is an arithmetic number, because the mean of its divisors is an integer number (272040012).

Almost surely, 2^997480033 is an apocalyptic number.

It is an amenable number.

997480033 is a deficient number, since it is larger than the sum of its proper divisors (90680015).

997480033 is a wasteful number, since it uses less digits than its factorization.

997480033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90680014.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 997480033 is about 31582.9072917615. The cubic root of 997480033 is about 999.1593044290.

The spelling of 997480033 in words is "nine hundred ninety-seven million, four hundred eighty thousand, thirty-three".