25147134 has 12 divisors (see below), whose sum is σ = 54485496. Its totient is φ = 8382372.

The previous prime is 25147117. The next prime is 25147139. The reversal of 25147134 is 43174152.

It is a junction number, because it is equal to n+sod(n) for n = 25147098 and 25147107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25147139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 698514 + ... + 698549.

It is an arithmetic number, because the mean of its divisors is an integer number (4540458).

Almost surely, 2^25147134 is an apocalyptic number.

25147134 is an abundant number, since it is smaller than the sum of its proper divisors (29338362).

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

25147134 is a wasteful number, since it uses less digits than its factorization.

25147134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397071 (or 1397068 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 25147134 is about 5014.6918150570. The cubic root of 25147134 is about 292.9742820481.

It can be divided in two parts, 25147 and 134, that added together give a square (25281 = 159²).

The spelling of 25147134 in words is "twenty-five million, one hundred forty-seven thousand, one hundred thirty-four".