25412916530 has 8 divisors (see below), whose sum is σ = 45743249772. Its totient is φ = 10165166608.

The previous prime is 25412916479. The next prime is 25412916533. The reversal of 25412916530 is 3561921452.

It can be written as a sum of positive squares in 2 ways, for example, as 25166332321 + 246584209 = 158639^2 + 15703^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (25412916533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270645817 + ... + 1270645836.

Almost surely, 2^25412916530 is an apocalyptic number.

25412916530 is a deficient number, since it is larger than the sum of its proper divisors (20330333242).

25412916530 is a wasteful number, since it uses less digits than its factorization.

25412916530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541291660.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 25412916530 in words is "twenty-five billion, four hundred twelve million, nine hundred sixteen thousand, five hundred thirty".