25164341567 has 2 divisors, whose sum is σ = 25164341568. Its totient is φ = 25164341566.

The previous prime is 25164341549. The next prime is 25164341611. The reversal of 25164341567 is 76514346152.

It is an a-pointer prime, because the next prime (25164341611) can be obtained adding 25164341567 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25164341567 - 2¹⁰ = 25164340543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25164344567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12582170783 + 12582170784.

It is an arithmetic number, because the mean of its divisors is an integer number (12582170784).

Almost surely, 2^25164341567 is an apocalyptic number.

25164341567 is a deficient number, since it is larger than the sum of its proper divisors (1).

25164341567 is an equidigital number, since it uses as much as digits as its factorization.

25164341567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 44.

The spelling of 25164341567 in words is "twenty-five billion, one hundred sixty-four million, three hundred forty-one thousand, five hundred sixty-seven".