25130322461 has 4 divisors (see below), whose sum is σ = 25134676800. Its totient is φ = 25125968124.

The previous prime is 25130322421. The next prime is 25130322463. The reversal of 25130322461 is 16422303152.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25130322461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25130322463) 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, 2168501 + ... + 2180058.

It is an arithmetic number, because the mean of its divisors is an integer number (6283669200).

Almost surely, 2^25130322461 is an apocalyptic number.

It is an amenable number.

25130322461 is a deficient number, since it is larger than the sum of its proper divisors (4354339).

25130322461 is an equidigital number, since it uses as much as digits as its factorization.

25130322461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4354338.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 25130322461 in words is "twenty-five billion, one hundred thirty million, three hundred twenty-two thousand, four hundred sixty-one".