25348161 has 4 divisors (see below), whose sum is σ = 33797552. Its totient is φ = 16898772.

The previous prime is 25348157. The next prime is 25348171. The reversal of 25348161 is 16184352.

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 not a de Polignac number, because 25348161 - 2² = 25348157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25348171) 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, 4224691 + ... + 4224696.

It is an arithmetic number, because the mean of its divisors is an integer number (8449388).

Almost surely, 2^25348161 is an apocalyptic number.

It is an amenable number.

25348161 is a deficient number, since it is larger than the sum of its proper divisors (8449391).

25348161 is an equidigital number, since it uses as much as digits as its factorization.

25348161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8449390.

The product of its digits is 5760, while the sum is 30.

The square root of 25348161 is about 5034.6957206965. The cubic root of 25348161 is about 293.7528929246.

The spelling of 25348161 in words is "twenty-five million, three hundred forty-eight thousand, one hundred sixty-one".