25505627 has 24 divisors (see below), whose sum is σ = 31953744. Its totient is φ = 20224512.

The previous prime is 25505611. The next prime is 25505629. The reversal of 25505627 is 72650552.

It is not a de Polignac number, because 25505627 - 2⁴ = 25505611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25505593 and 25505602.

It is not an unprimeable number, because it can be changed into a prime (25505629) 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, 55583 + ... + 56039.

It is an arithmetic number, because the mean of its divisors is an integer number (1331406).

Almost surely, 2^25505627 is an apocalyptic number.

25505627 is a deficient number, since it is larger than the sum of its proper divisors (6448117).

25505627 is a wasteful number, since it uses less digits than its factorization.

25505627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 25505627 is about 5050.3095944704. The cubic root of 25505627 is about 294.3599144665.

The spelling of 25505627 in words is "twenty-five million, five hundred five thousand, six hundred twenty-seven".