25413247 has 8 divisors (see below), whose sum is σ = 25923600. Its totient is φ = 24905664.

The previous prime is 25413221. The next prime is 25413253. The reversal of 25413247 is 74231452.

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 25413247 - 2¹⁵ = 25380479 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25413217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33193 + ... + 33949.

It is an arithmetic number, because the mean of its divisors is an integer number (3240450).

Almost surely, 2^25413247 is an apocalyptic number.

25413247 is a deficient number, since it is larger than the sum of its proper divisors (510353).

25413247 is an equidigital number, since it uses as much as digits as its factorization.

25413247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385.

The product of its digits is 6720, while the sum is 28.

The square root of 25413247 is about 5041.1553239312. The cubic root of 25413247 is about 294.0040993150.

Adding to 25413247 its reverse (74231452), we get a palindrome (99644699).

The spelling of 25413247 in words is "twenty-five million, four hundred thirteen thousand, two hundred forty-seven".