25340953 has 4 divisors (see below), whose sum is σ = 27644688. Its totient is φ = 23037220.

The previous prime is 25340947. The next prime is 25340957. The reversal of 25340953 is 35904352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25340953 - 2⁵ = 25340921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25340957) 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, 1151851 + ... + 1151872.

It is an arithmetic number, because the mean of its divisors is an integer number (6911172).

Almost surely, 2^25340953 is an apocalyptic number.

It is an amenable number.

25340953 is a deficient number, since it is larger than the sum of its proper divisors (2303735).

25340953 is a wasteful number, since it uses less digits than its factorization.

25340953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303734.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 25340953 is about 5033.9798370673. The cubic root of 25340953 is about 293.7250464392.

The spelling of 25340953 in words is "twenty-five million, three hundred forty thousand, nine hundred fifty-three".