25135214 has 64 divisors (see below), whose sum is σ = 46992960. Its totient is φ = 9953280.

The previous prime is 25135213. The next prime is 25135237. The reversal of 25135214 is 41253152.

It is a self number, because there is not a number n which added to its sum of digits gives 25135214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25135213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 344282 + ... + 344354.

It is an arithmetic number, because the mean of its divisors is an integer number (734265).

Almost surely, 2^25135214 is an apocalyptic number.

25135214 is a deficient number, since it is larger than the sum of its proper divisors (21857746).

25135214 is a wasteful number, since it uses less digits than its factorization.

25135214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165.

The product of its digits is 1200, while the sum is 23.

The square root of 25135214 is about 5013.5031664496. The cubic root of 25135214 is about 292.9279837916.

Adding to 25135214 its reverse (41253152), we get a palindrome (66388366).

The spelling of 25135214 in words is "twenty-five million, one hundred thirty-five thousand, two hundred fourteen".