26225245625 has 20 divisors (see below), whose sum is σ = 32781522180. Its totient is φ = 20973504000.

The previous prime is 26225245621. The next prime is 26225245639. The reversal of 26225245625 is 52654252262.

It can be written as a sum of positive squares in 10 ways, for example, as 24092006656 + 2133238969 = 155216^2 + 46187^2 .

It is not a de Polignac number, because 26225245625 - 2² = 26225245621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26225245621) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3126437 + ... + 3134813.

It is an arithmetic number, because the mean of its divisors is an integer number (1639076109).

Almost surely, 2^26225245625 is an apocalyptic number.

26225245625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26225245625 is a deficient number, since it is larger than the sum of its proper divisors (6556276555).

26225245625 is an frugal number, since it uses more digits than its factorization.

26225245625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13406 (or 13391 counting only the distinct ones).

The product of its digits is 576000, while the sum is 41.

Adding to 26225245625 its reverse (52654252262), we get a palindrome (78879497887).

The spelling of 26225245625 in words is "twenty-six billion, two hundred twenty-five million, two hundred forty-five thousand, six hundred twenty-five".