25135097 has 4 divisors (see below), whose sum is σ = 27068580. Its totient is φ = 23201616.

The previous prime is 25135063. The next prime is 25135109. The reversal of 25135097 is 79053152.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16777216 + 8357881 = 4096^2 + 2891^2 .

It is a cyclic number.

It is not a de Polignac number, because 25135097 - 2⁸ = 25134841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25135037) 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, 966722 + ... + 966747.

It is an arithmetic number, because the mean of its divisors is an integer number (6767145).

Almost surely, 2^25135097 is an apocalyptic number.

It is an amenable number.

25135097 is a deficient number, since it is larger than the sum of its proper divisors (1933483).

25135097 is a wasteful number, since it uses less digits than its factorization.

25135097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933482.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 25135097 is about 5013.4914979483. The cubic root of 25135097 is about 292.9275292815.

The spelling of 25135097 in words is "twenty-five million, one hundred thirty-five thousand, ninety-seven".