25135151 has 4 divisors (see below), whose sum is σ = 25154400. Its totient is φ = 25115904.

The previous prime is 25135133. The next prime is 25135153. The reversal of 25135151 is 15153152.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 25135151 - 2¹⁰ = 25134127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25135153) 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, 7511 + ... + 10328.

It is an arithmetic number, because the mean of its divisors is an integer number (6288600).

Almost surely, 2^25135151 is an apocalyptic number.

25135151 is a deficient number, since it is larger than the sum of its proper divisors (19249).

25135151 is a wasteful number, since it uses less digits than its factorization.

25135151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19248.

The product of its digits is 750, while the sum is 23.

The square root of 25135151 is about 5013.4968834138. The cubic root of 25135151 is about 292.9277390556.

The spelling of 25135151 in words is "twenty-five million, one hundred thirty-five thousand, one hundred fifty-one".