25261123 has 4 divisors (see below), whose sum is σ = 25454088. Its totient is φ = 25068160.

The previous prime is 25261111. The next prime is 25261129. The reversal of 25261123 is 32116252.

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

It is not a de Polignac number, because 25261123 - 2⁹ = 25260611 is a prime.

It is a super-2 number, since 2×25261123² = 1276248670442258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25261094 and 25261103.

It is not an unprimeable number, because it can be changed into a prime (25261129) 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, 96286 + ... + 96547.

It is an arithmetic number, because the mean of its divisors is an integer number (6363522).

Almost surely, 2^25261123 is an apocalyptic number.

25261123 is a deficient number, since it is larger than the sum of its proper divisors (192965).

25261123 is a wasteful number, since it uses less digits than its factorization.

25261123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192964.

The product of its digits is 720, while the sum is 22.

The square root of 25261123 is about 5026.0444685657. The cubic root of 25261123 is about 293.4162875176.

Adding to 25261123 its reverse (32116252), we get a palindrome (57377375).

The spelling of 25261123 in words is "twenty-five million, two hundred sixty-one thousand, one hundred twenty-three".