25164467530 has 16 divisors (see below), whose sum is σ = 45301997160. Its totient is φ = 10064463552.

The previous prime is 25164467507. The next prime is 25164467533. The reversal of 25164467530 is 3576446152.

It can be written as a sum of positive squares in 4 ways, for example, as 17291987001 + 7872480529 = 131499^2 + 88727^2 .

It is not an unprimeable number, because it can be changed into a prime (25164467533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83649 + ... + 239428.

Almost surely, 2^25164467530 is an apocalyptic number.

25164467530 is a deficient number, since it is larger than the sum of its proper divisors (20137529630).

25164467530 is a wasteful number, since it uses less digits than its factorization.

25164467530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330873.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 25164467530 in words is "twenty-five billion, one hundred sixty-four million, four hundred sixty-seven thousand, five hundred thirty".