2551829 has 8 divisors (see below), whose sum is σ = 2960448. Its totient is φ = 2154240.

The previous prime is 2551823. The next prime is 2551831. The reversal of 2551829 is 9281552.

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

It is a cyclic number.

It is not a de Polignac number, because 2551829 - 2²⁰ = 1503253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2551795 and 2551804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551823) 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, 2252 + ... + 3189.

It is an arithmetic number, because the mean of its divisors is an integer number (370056).

2^2551829 is an apocalyptic number.

It is an amenable number.

2551829 is a deficient number, since it is larger than the sum of its proper divisors (408619).

2551829 is an equidigital number, since it uses as much as digits as its factorization.

2551829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5515.

The product of its digits is 7200, while the sum is 32.

The square root of 2551829 is about 1597.4445217284. Note that the first 3 decimals coincide. The cubic root of 2551829 is about 136.6523767199.

The spelling of 2551829 in words is "two million, five hundred fifty-one thousand, eight hundred twenty-nine".