25035003243 has 12 divisors (see below), whose sum is σ = 36421829080. Its totient is φ = 16569929376.

The previous prime is 25035003239. The next prime is 25035003271. The reversal of 25035003243 is 34230053052.

It is not a de Polignac number, because 25035003243 - 2² = 25035003239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25035083243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10004746 + ... + 10007247.

Almost surely, 2^25035003243 is an apocalyptic number.

25035003243 is a deficient number, since it is larger than the sum of its proper divisors (11386825837).

25035003243 is a wasteful number, since it uses less digits than its factorization.

25035003243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20012138 (or 20012135 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

Adding to 25035003243 its reverse (34230053052), we get a palindrome (59265056295).

The spelling of 25035003243 in words is "twenty-five billion, thirty-five million, three thousand, two hundred forty-three".