25213747 has 8 divisors (see below), whose sum is σ = 27195840. Its totient is φ = 23237760.

The previous prime is 25213739. The next prime is 25213751. The reversal of 25213747 is 74731252.

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

It is not a de Polignac number, because 25213747 - 2³ = 25213739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25213717) 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, 10779 + ... + 12907.

It is an arithmetic number, because the mean of its divisors is an integer number (3399480).

Almost surely, 2^25213747 is an apocalyptic number.

25213747 is a deficient number, since it is larger than the sum of its proper divisors (1982093).

25213747 is a wasteful number, since it uses less digits than its factorization.

25213747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053.

The product of its digits is 11760, while the sum is 31.

The square root of 25213747 is about 5021.3292064950. The cubic root of 25213747 is about 293.2327434309.

Adding to 25213747 its reverse (74731252), we get a palindrome (99944999).

The spelling of 25213747 in words is "twenty-five million, two hundred thirteen thousand, seven hundred forty-seven".