25575234 has 16 divisors (see below), whose sum is σ = 51251520. Its totient is φ = 8508240.

The previous prime is 25575233. The next prime is 25575257. The reversal of 25575234 is 43257552.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25575195 and 25575204.

It is not an unprimeable number, because it can be changed into a prime (25575233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694 + ... + 7185.

It is an arithmetic number, because the mean of its divisors is an integer number (3203220).

Almost surely, 2^25575234 is an apocalyptic number.

25575234 is an abundant number, since it is smaller than the sum of its proper divisors (25676286).

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

25575234 is a wasteful number, since it uses less digits than its factorization.

25575234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8425.

The product of its digits is 42000, while the sum is 33.

The square root of 25575234 is about 5057.1962587980. The cubic root of 25575234 is about 294.6274488891.

The spelling of 25575234 in words is "twenty-five million, five hundred seventy-five thousand, two hundred thirty-four".