25713505430 has 8 divisors (see below), whose sum is σ = 46284309792. Its totient is φ = 10285402168.

The previous prime is 25713505417. The next prime is 25713505439. The reversal of 25713505430 is 3450531752.

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

It is a super-2 number, since 2×25713505430² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25713505439) 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, 1285675262 + ... + 1285675281.

It is an arithmetic number, because the mean of its divisors is an integer number (5785538724).

Almost surely, 2^25713505430 is an apocalyptic number.

25713505430 is a deficient number, since it is larger than the sum of its proper divisors (20570804362).

25713505430 is a wasteful number, since it uses less digits than its factorization.

25713505430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571350550.

The product of its (nonzero) digits is 63000, while the sum is 35.

The spelling of 25713505430 in words is "twenty-five billion, seven hundred thirteen million, five hundred five thousand, four hundred thirty".