25461523 has 4 divisors (see below), whose sum is σ = 25820208. Its totient is φ = 25102840.

The previous prime is 25461521. The next prime is 25461551. The reversal of 25461523 is 32516452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25461523 - 2¹ = 25461521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25461491 and 25461500.

It is not an unprimeable number, because it can be changed into a prime (25461521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179236 + ... + 179377.

It is an arithmetic number, because the mean of its divisors is an integer number (6455052).

Almost surely, 2^25461523 is an apocalyptic number.

25461523 is a deficient number, since it is larger than the sum of its proper divisors (358685).

25461523 is an equidigital number, since it uses as much as digits as its factorization.

25461523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358684.

The product of its digits is 7200, while the sum is 28.

The square root of 25461523 is about 5045.9412402445. The cubic root of 25461523 is about 294.1901487923.

Adding to 25461523 its reverse (32516452), we get a palindrome (57977975).

The spelling of 25461523 in words is "twenty-five million, four hundred sixty-one thousand, five hundred twenty-three".