25901043 has 16 divisors (see below), whose sum is σ = 39552000. Its totient is φ = 14769216.

The previous prime is 25901021. The next prime is 25901087. The reversal of 25901043 is 34010952.

It is not a de Polignac number, because 25901043 - 2¹² = 25896947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25901003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11958 + ... + 13956.

It is an arithmetic number, because the mean of its divisors is an integer number (2472000).

Almost surely, 2^25901043 is an apocalyptic number.

25901043 is a deficient number, since it is larger than the sum of its proper divisors (13650957).

25901043 is a wasteful number, since it uses less digits than its factorization.

25901043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 25901043 is about 5089.3067307837. The cubic root of 25901043 is about 295.8732832028.

Adding to 25901043 its reverse (34010952), we get a palindrome (59911995).

The spelling of 25901043 in words is "twenty-five million, nine hundred one thousand, forty-three".