2564235 has 12 divisors (see below), whose sum is σ = 4444752. Its totient is φ = 1367568.

The previous prime is 2564207. The next prime is 2564249. The reversal of 2564235 is 5324652.

It is not a de Polignac number, because 2564235 - 2⁵ = 2564203 is a prime.

It is a super-2 number, since 2×2564235² = 13150602270450, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹³ + 5⁷ + 6 + 4⁴ + 2¹⁹ + 3⁵ + 5⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 2564199 and 2564208.

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, 28447 + ... + 28536.

It is an arithmetic number, because the mean of its divisors is an integer number (370396).

2^2564235 is an apocalyptic number.

2564235 is a deficient number, since it is larger than the sum of its proper divisors (1880517).

2564235 is a wasteful number, since it uses less digits than its factorization.

2564235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56994 (or 56991 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 2564235 is about 1601.3228906126. The cubic root of 2564235 is about 136.8734690515.

Adding to 2564235 its reverse (5324652), we get a palindrome (7888887).

The spelling of 2564235 in words is "two million, five hundred sixty-four thousand, two hundred thirty-five".