25528834 has 4 divisors (see below), whose sum is σ = 38293254. Its totient is φ = 12764416.

The previous prime is 25528829. The next prime is 25528871. The reversal of 25528834 is 43882552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16378209 + 9150625 = 4047^2 + 3025^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25528793 and 25528802.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6382207 + ... + 6382210.

Almost surely, 2^25528834 is an apocalyptic number.

25528834 is a deficient number, since it is larger than the sum of its proper divisors (12764420).

25528834 is a wasteful number, since it uses less digits than its factorization.

25528834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12764419.

The product of its digits is 76800, while the sum is 37.

The square root of 25528834 is about 5052.6066539955. The cubic root of 25528834 is about 294.4491645724.

It can be divided in two parts, 25528 and 834, that added together give a palindrome (26362).

The spelling of 25528834 in words is "twenty-five million, five hundred twenty-eight thousand, eight hundred thirty-four".