25223935 has 16 divisors (see below), whose sum is σ = 33397920. Its totient is φ = 18135040.

The previous prime is 25223921. The next prime is 25223953. The reversal of 25223935 is 53932252.

It is a de Polignac number, because none of the positive numbers 2^k-25223935 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25223897 and 25223906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2319 + ... + 7471.

It is an arithmetic number, because the mean of its divisors is an integer number (2087370).

Almost surely, 2^25223935 is an apocalyptic number.

25223935 is a deficient number, since it is larger than the sum of its proper divisors (8173985).

25223935 is a wasteful number, since it uses less digits than its factorization.

25223935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5258.

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

The square root of 25223935 is about 5022.3435764591. The cubic root of 25223935 is about 293.2722331704.

The spelling of 25223935 in words is "twenty-five million, two hundred twenty-three thousand, nine hundred thirty-five".