25155134 has 4 divisors (see below), whose sum is σ = 37732704. Its totient is φ = 12577566.

The previous prime is 25155113. The next prime is 25155149. The reversal of 25155134 is 43155152.

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

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, 6288782 + ... + 6288785.

It is an arithmetic number, because the mean of its divisors is an integer number (9433176).

Almost surely, 2^25155134 is an apocalyptic number.

25155134 is a deficient number, since it is larger than the sum of its proper divisors (12577570).

25155134 is a wasteful number, since it uses less digits than its factorization.

25155134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12577569.

The product of its digits is 3000, while the sum is 26.

The square root of 25155134 is about 5015.4894078245. The cubic root of 25155134 is about 293.0053464994.

The spelling of 25155134 in words is "twenty-five million, one hundred fifty-five thousand, one hundred thirty-four".