2651023 has 4 divisors (see below), whose sum is σ = 2654680. Its totient is φ = 2647368.

The previous prime is 2651017. The next prime is 2651039. The reversal of 2651023 is 3201562.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2651023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2651053) 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, 333 + ... + 2326.

It is an arithmetic number, because the mean of its divisors is an integer number (663670).

2^2651023 is an apocalyptic number.

2651023 is a deficient number, since it is larger than the sum of its proper divisors (3657).

2651023 is an equidigital number, since it uses as much as digits as its factorization.

2651023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2651023 is about 1628.1962412437. The cubic root of 2651023 is about 138.4005550614.

Adding to 2651023 its reverse (3201562), we get a palindrome (5852585).

The spelling of 2651023 in words is "two million, six hundred fifty-one thousand, twenty-three".