25135342 has 4 divisors (see below), whose sum is σ = 37703016. Its totient is φ = 12567670.

The previous prime is 25135339. The next prime is 25135387. The reversal of 25135342 is 24353152.

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, 6283834 + ... + 6283837.

It is an arithmetic number, because the mean of its divisors is an integer number (9425754).

Almost surely, 2^25135342 is an apocalyptic number.

25135342 is a deficient number, since it is larger than the sum of its proper divisors (12567674).

25135342 is a wasteful number, since it uses less digits than its factorization.

25135342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12567673.

The product of its digits is 3600, while the sum is 25.

The square root of 25135342 is about 5013.5159319583. The cubic root of 25135342 is about 292.9284810319.

Adding to 25135342 its reverse (24353152), we get a palindrome (49488494).

The spelling of 25135342 in words is "twenty-five million, one hundred thirty-five thousand, three hundred forty-two".