25428526 has 4 divisors (see below), whose sum is σ = 38142792. Its totient is φ = 12714262.

The previous prime is 25428493. The next prime is 25428527. The reversal of 25428526 is 62582452.

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

It is a junction number, because it is equal to n+sod(n) for n = 25428491 and 25428500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25428527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6357130 + ... + 6357133.

It is an arithmetic number, because the mean of its divisors is an integer number (9535698).

Almost surely, 2^25428526 is an apocalyptic number.

25428526 is a deficient number, since it is larger than the sum of its proper divisors (12714266).

25428526 is a wasteful number, since it uses less digits than its factorization.

25428526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12714265.

The product of its digits is 38400, while the sum is 34.

The square root of 25428526 is about 5042.6705226497. The cubic root of 25428526 is about 294.0630080761.

The spelling of 25428526 in words is "twenty-five million, four hundred twenty-eight thousand, five hundred twenty-six".