2523225 has 24 divisors (see below), whose sum is σ = 4419360. Its totient is φ = 1265920.

The previous prime is 2523223. The next prime is 2523229. The reversal of 2523225 is 5223252.

2523225 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 2523225 - 2¹ = 2523223 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2² + 5⁴ + 2¹¹ + 3 + 2¹⁵ + 2²¹ + 5⁸ .

It is not an unprimeable number, because it can be changed into a prime (2523223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286 + ... + 2264.

It is an arithmetic number, because the mean of its divisors is an integer number (184140).

2^2523225 is an apocalyptic number.

2523225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2523225 is a deficient number, since it is larger than the sum of its proper divisors (1896135).

2523225 is a wasteful number, since it uses less digits than its factorization.

2523225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009 (or 2004 counting only the distinct ones).

The product of its digits is 1200, while the sum is 21.

The square root of 2523225 is about 1588.4662413788. The cubic root of 2523225 is about 136.1398683588.

Adding to 2523225 its reverse (5223252), we get a palindrome (7746477).

The spelling of 2523225 in words is "two million, five hundred twenty-three thousand, two hundred twenty-five".