2251006023 has 16 divisors (see below), whose sum is σ = 3631875840. Its totient is φ = 1210624896.

The previous prime is 2251006001. The next prime is 2251006031. The reversal of 2251006023 is 3206001522.

It is not a de Polignac number, because 2251006023 - 2²⁵ = 2217451591 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251006033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3152313 + ... + 3153026.

It is an arithmetic number, because the mean of its divisors is an integer number (226992240).

Almost surely, 2^2251006023 is an apocalyptic number.

2251006023 is a deficient number, since it is larger than the sum of its proper divisors (1380869817).

2251006023 is a wasteful number, since it uses less digits than its factorization.

2251006023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6305366.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2251006023 is about 47444.7681309541. The cubic root of 2251006023 is about 1310.5659662354.

Adding to 2251006023 its reverse (3206001522), we get a palindrome (5457007545).

The spelling of 2251006023 in words is "two billion, two hundred fifty-one million, six thousand, twenty-three".