25463537 has 8 divisors (see below), whose sum is σ = 28736640. Its totient is φ = 22350160.

The previous prime is 25463527. The next prime is 25463563. The reversal of 25463537 is 73536452.

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 25463537 - 2²⁰ = 24414961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25463497 and 25463506.

It is not an unprimeable number, because it can be changed into a prime (25463527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39593 + ... + 40230.

It is an arithmetic number, because the mean of its divisors is an integer number (3592080).

Almost surely, 2^25463537 is an apocalyptic number.

It is an amenable number.

25463537 is a deficient number, since it is larger than the sum of its proper divisors (3273103).

25463537 is a wasteful number, since it uses less digits than its factorization.

25463537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79863.

The product of its digits is 75600, while the sum is 35.

The square root of 25463537 is about 5046.1408026332. The cubic root of 25463537 is about 294.1979053765.

Adding to 25463537 its reverse (73536452), we get a palindrome (98999989).

The spelling of 25463537 in words is "twenty-five million, four hundred sixty-three thousand, five hundred thirty-seven".