25231043 has 8 divisors (see below), whose sum is σ = 26894880. Its totient is φ = 23587200.

The previous prime is 25231039. The next prime is 25231051. The reversal of 25231043 is 34013252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25231043 - 2² = 25231039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25231643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2348 + ... + 7481.

It is an arithmetic number, because the mean of its divisors is an integer number (3361860).

Almost surely, 2^25231043 is an apocalyptic number.

25231043 is a deficient number, since it is larger than the sum of its proper divisors (1663837).

25231043 is a wasteful number, since it uses less digits than its factorization.

25231043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9997.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 25231043 is about 5023.0511643821. The cubic root of 25231043 is about 293.2997782152.

Adding to 25231043 its reverse (34013252), we get a palindrome (59244295).

The spelling of 25231043 in words is "twenty-five million, two hundred thirty-one thousand, forty-three".