2563355 has 4 divisors (see below), whose sum is σ = 3076032. Its totient is φ = 2050680.

The previous prime is 2563343. The next prime is 2563357. The reversal of 2563355 is 5533652.

It is a happy number.

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

It is not a de Polignac number, because 2563355 - 2⁶ = 2563291 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 5⁴ + 6² + 3⁵ + 3¹⁰ + 5⁶ + 5⁸ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2563357) 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, 256331 + ... + 256340.

It is an arithmetic number, because the mean of its divisors is an integer number (769008).

2^2563355 is an apocalyptic number.

2563355 is a deficient number, since it is larger than the sum of its proper divisors (512677).

2563355 is an equidigital number, since it uses as much as digits as its factorization.

2563355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512676.

The product of its digits is 13500, while the sum is 29.

The square root of 2563355 is about 1601.0480942183. The cubic root of 2563355 is about 136.8578097439.

The spelling of 2563355 in words is "two million, five hundred sixty-three thousand, three hundred fifty-five".