2553775 has 12 divisors (see below), whose sum is σ = 3619312. Its totient is φ = 1751040.

The previous prime is 2553751. The next prime is 2553781. The reversal of 2553775 is 5773552.

It is not a de Polignac number, because 2553775 - 2⁷ = 2553647 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

2553775 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2553775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7122 + ... + 7471.

2^2553775 is an apocalyptic number.

2553775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2553775 is a deficient number, since it is larger than the sum of its proper divisors (1065537).

2553775 is a wasteful number, since it uses less digits than its factorization.

2553775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14610 (or 14605 counting only the distinct ones).

The product of its digits is 36750, while the sum is 34.

The square root of 2553775 is about 1598.0535034848. The cubic root of 2553775 is about 136.6871044853.

The spelling of 2553775 in words is "two million, five hundred fifty-three thousand, seven hundred seventy-five".