25134542 has 8 divisors (see below), whose sum is σ = 37792632. Its totient is φ = 12537000.

The previous prime is 25134539. The next prime is 25134547. The reversal of 25134542 is 24543152.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25134547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14084 + ... + 15767.

It is an arithmetic number, because the mean of its divisors is an integer number (4724079).

Almost surely, 2^25134542 is an apocalyptic number.

25134542 is a deficient number, since it is larger than the sum of its proper divisors (12658090).

25134542 is a wasteful number, since it uses less digits than its factorization.

25134542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30274.

The product of its digits is 4800, while the sum is 26.

The square root of 25134542 is about 5013.4361469954. The cubic root of 25134542 is about 292.9253732528.

Adding to 25134542 its reverse (24543152), we get a palindrome (49677694).

The spelling of 25134542 in words is "twenty-five million, one hundred thirty-four thousand, five hundred forty-two".