26242425 has 72 divisors (see below), whose sum is σ = 53621568. Its totient is φ = 12144000.

The previous prime is 26242409. The next prime is 26242429. The reversal of 26242425 is 52424262.

It is a happy number.

It is not a de Polignac number, because 26242425 - 2⁴ = 26242409 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26242429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 56695 + ... + 57155.

It is an arithmetic number, because the mean of its divisors is an integer number (744744).

Almost surely, 2^26242425 is an apocalyptic number.

26242425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26242425 is an abundant number, since it is smaller than the sum of its proper divisors (27379143).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26242425 is a wasteful number, since it uses less digits than its factorization.

26242425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 503 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 26242425 is about 5122.7360853356. The cubic root of 26242425 is about 297.1675074537.

Adding to 26242425 its reverse (52424262), we get a palindrome (78666687).

The spelling of 26242425 in words is "twenty-six million, two hundred forty-two thousand, four hundred twenty-five".