2750001 has 8 divisors (see below), whose sum is σ = 3693984. Its totient is φ = 1819680.

The previous prime is 2749991. The next prime is 2750021. The reversal of 2750001 is 1000572.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2750001 - 2¹⁵ = 2717233 is a prime.

It is a Curzon number.

2750001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2750021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2935 + ... + 3756.

It is an arithmetic number, because the mean of its divisors is an integer number (461748).

2^2750001 is an apocalyptic number.

It is an amenable number.

2750001 is a deficient number, since it is larger than the sum of its proper divisors (943983).

2750001 is a wasteful number, since it uses less digits than its factorization.

2750001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6831.

The product of its (nonzero) digits is 70, while the sum is 15.

The square root of 2750001 is about 1658.3126966890. The cubic root of 2750001 is about 140.1019835148.

Adding to 2750001 its reverse (1000572), we get a palindrome (3750573).

The spelling of 2750001 in words is "two million, seven hundred fifty thousand, one".