2455791 has 8 divisors (see below), whose sum is σ = 3526320. Its totient is φ = 1511232.

The previous prime is 2455781. The next prime is 2455811. The reversal of 2455791 is 1975542.

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

It is not a de Polignac number, because 2455791 - 2⁹ = 2455279 is a prime.

2455791 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2455711) 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, 31446 + ... + 31523.

It is an arithmetic number, because the mean of its divisors is an integer number (440790).

2^2455791 is an apocalyptic number.

2455791 is a deficient number, since it is larger than the sum of its proper divisors (1070529).

2455791 is a wasteful number, since it uses less digits than its factorization.

2455791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62985.

The product of its digits is 12600, while the sum is 33.

The square root of 2455791 is about 1567.0963595134. The cubic root of 2455791 is about 134.9161069993.

Subtracting from 2455791 its reverse (1975542), we obtain a square (480249 = 693²).

The spelling of 2455791 in words is "two million, four hundred fifty-five thousand, seven hundred ninety-one".