25232705 has 8 divisors (see below), whose sum is σ = 31097832. Its totient is φ = 19640448.

The previous prime is 25232681. The next prime is 25232723. The reversal of 25232705 is 50723252.

It can be written as a sum of positive squares in 4 ways, for example, as 11895601 + 13337104 = 3449^2 + 3652^2 .

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 25232705 - 2¹⁰ = 25231681 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68012 + ... + 68381.

It is an arithmetic number, because the mean of its divisors is an integer number (3887229).

Almost surely, 2^25232705 is an apocalyptic number.

It is an amenable number.

25232705 is a deficient number, since it is larger than the sum of its proper divisors (5865127).

25232705 is a wasteful number, since it uses less digits than its factorization.

25232705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136435.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 25232705 is about 5023.2165989533. The cubic root of 25232705 is about 293.3062180801.

Adding to 25232705 its reverse (50723252), we get a palindrome (75955957).

The spelling of 25232705 in words is "twenty-five million, two hundred thirty-two thousand, seven hundred five".