25305105430 has 16 divisors (see below), whose sum is σ = 49690025424. Its totient is φ = 9201856480.

The previous prime is 25305105383. The next prime is 25305105431. The reversal of 25305105430 is 3450150352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25305105431) 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, 115023097 + ... + 115023316.

It is an arithmetic number, because the mean of its divisors is an integer number (3105626589).

Almost surely, 2^25305105430 is an apocalyptic number.

25305105430 is a deficient number, since it is larger than the sum of its proper divisors (24384919994).

25305105430 is a wasteful number, since it uses less digits than its factorization.

25305105430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230046431.

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 25305105430 its reverse (3450150352), we get a palindrome (28755255782).

The spelling of 25305105430 in words is "twenty-five billion, three hundred five million, one hundred five thousand, four hundred thirty".