25725134 has 4 divisors (see below), whose sum is σ = 38587704. Its totient is φ = 12862566.

The previous prime is 25725113. The next prime is 25725143. The reversal of 25725134 is 43152752.

It is a happy number.

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

It is a super-3 number, since 3×25725134³ (a number of 23 digits) contains 333 as substring.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 25725097 and 25725106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6431282 + ... + 6431285.

It is an arithmetic number, because the mean of its divisors is an integer number (9646926).

Almost surely, 2^25725134 is an apocalyptic number.

25725134 is a deficient number, since it is larger than the sum of its proper divisors (12862570).

25725134 is a wasteful number, since it uses less digits than its factorization.

25725134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12862569.

The product of its digits is 8400, while the sum is 29.

The square root of 25725134 is about 5071.9950709755. The cubic root of 25725134 is about 295.2019454170.

Adding to 25725134 its reverse (43152752), we get a palindrome (68877886).

The spelling of 25725134 in words is "twenty-five million, seven hundred twenty-five thousand, one hundred thirty-four".