25314630543 has 20 divisors (see below), whose sum is σ = 38026965240. Its totient is φ = 16782129072.

The previous prime is 25314630541. The next prime is 25314630559. The reversal of 25314630543 is 34503641352.

25314630543 is a `hidden beast` number, since 2 + 5 + 3 + 14 + 630 + 5 + 4 + 3 = 666.

It is not a de Polignac number, because 25314630543 - 2¹ = 25314630541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25314630498 and 25314630507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25314630541) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 858480 + ... + 887477.

It is an arithmetic number, because the mean of its divisors is an integer number (1901348262).

Almost surely, 2^25314630543 is an apocalyptic number.

25314630543 is a deficient number, since it is larger than the sum of its proper divisors (12712334697).

25314630543 is a wasteful number, since it uses less digits than its factorization.

25314630543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746148 (or 1746139 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 25314630543 in words is "twenty-five billion, three hundred fourteen million, six hundred thirty thousand, five hundred forty-three".