25030530247 has 2 divisors, whose sum is σ = 25030530248. Its totient is φ = 25030530246.

The previous prime is 25030530211. The next prime is 25030530311. The reversal of 25030530247 is 74203503052.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25030530247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25030530347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12515265123 + 12515265124.

It is an arithmetic number, because the mean of its divisors is an integer number (12515265124).

Almost surely, 2^25030530247 is an apocalyptic number.

25030530247 is a deficient number, since it is larger than the sum of its proper divisors (1).

25030530247 is an equidigital number, since it uses as much as digits as its factorization.

25030530247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 31.

The spelling of 25030530247 in words is "twenty-five billion, thirty million, five hundred thirty thousand, two hundred forty-seven".