25252526 has 8 divisors (see below), whose sum is σ = 40792584. Its totient is φ = 11655000.

The previous prime is 25252457. The next prime is 25252529. The reversal of 25252526 is 62525252.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25252529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485600 + ... + 485651.

It is an arithmetic number, because the mean of its divisors is an integer number (5099073).

Almost surely, 2^25252526 is an apocalyptic number.

25252526 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

25252526 is a deficient number, since it is larger than the sum of its proper divisors (15540058).

25252526 is a wasteful number, since it uses less digits than its factorization.

25252526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971266.

The product of its digits is 12000, while the sum is 29.

The square root of 25252526 is about 5025.1891506689. The cubic root of 25252526 is about 293.3829980760.

Adding to 25252526 its reverse (62525252), we get a palindrome (87777778).

The spelling of 25252526 in words is "twenty-five million, two hundred fifty-two thousand, five hundred twenty-six".