26420625 has 120 divisors (see below), whose sum is σ = 60430656. Its totient is φ = 10800000.

The previous prime is 26420623. The next prime is 26420651. The reversal of 26420625 is 52602462.

It is not a de Polignac number, because 26420625 - 2¹ = 26420623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26420623) 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 119 ways as a sum of consecutive naturals, for example, 433095 + ... + 433155.

Almost surely, 2^26420625 is an apocalyptic number.

26420625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26420625 is an abundant number, since it is smaller than the sum of its proper divisors (34010031).

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

26420625 is a wasteful number, since it uses less digits than its factorization.

26420625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 26420625 is about 5140.0997072041. The cubic root of 26420625 is about 297.8386323622.

The spelling of 26420625 in words is "twenty-six million, four hundred twenty thousand, six hundred twenty-five".