2745997 has 4 divisors (see below), whose sum is σ = 2752000. Its totient is φ = 2739996.

The previous prime is 2745989. The next prime is 2746021. The reversal of 2745997 is 7995472.

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 2745997 - 2³ = 2745989 is a prime.

It is a pancake number, because a pancake can be divided into 2745997 parts by 2343 straight cuts.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745907) 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, 2253 + ... + 3250.

It is an arithmetic number, because the mean of its divisors is an integer number (688000).

2^2745997 is an apocalyptic number.

It is an amenable number.

2745997 is a deficient number, since it is larger than the sum of its proper divisors (6003).

2745997 is an equidigital number, since it uses as much as digits as its factorization.

2745997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6002.

The product of its digits is 158760, while the sum is 43.

The square root of 2745997 is about 1657.1050057253. The cubic root of 2745997 is about 140.0339543494.

It can be divided in two parts, 27459 and 97, that added together give a square (27556 = 166²).

The spelling of 2745997 in words is "two million, seven hundred forty-five thousand, nine hundred ninety-seven".