12525461 has 4 divisors (see below), whose sum is σ = 13488972. Its totient is φ = 11561952.

The previous prime is 12525451. The next prime is 12525463. The reversal of 12525461 is 16452521.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5262436 + 7263025 = 2294^2 + 2695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12525461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12525461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12525463) 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, 481736 + ... + 481761.

It is an arithmetic number, because the mean of its divisors is an integer number (3372243).

Almost surely, 2^12525461 is an apocalyptic number.

It is an amenable number.

12525461 is a deficient number, since it is larger than the sum of its proper divisors (963511).

12525461 is an equidigital number, since it uses as much as digits as its factorization.

12525461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963510.

The product of its digits is 2400, while the sum is 26.

The square root of 12525461 is about 3539.1328033856. The cubic root of 12525461 is about 232.2369074737.

Adding to 12525461 its reverse (16452521), we get a palindrome (28977982).

The spelling of 12525461 in words is "twelve million, five hundred twenty-five thousand, four hundred sixty-one".