2750971 has 4 divisors (see below), whose sum is σ = 2839744. Its totient is φ = 2662200.

The previous prime is 2750963. The next prime is 2750981. The reversal of 2750971 is 1790572.

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 2750971 - 2³ = 2750963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 88741 = 2750971 / (2 + 7 + 5 + 0 + 9 + 7 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2750981) 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, 44340 + ... + 44401.

It is an arithmetic number, because the mean of its divisors is an integer number (709936).

2^2750971 is an apocalyptic number.

2750971 is a deficient number, since it is larger than the sum of its proper divisors (88773).

2750971 is an equidigital number, since it uses as much as digits as its factorization.

2750971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88772.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 2750971 is about 1658.6051368545. The cubic root of 2750971 is about 140.1184541693.

It can be divided in two parts, 2750 and 971, that added together give a square (3721 = 61²).

The spelling of 2750971 in words is "two million, seven hundred fifty thousand, nine hundred seventy-one".