25200062643 has 16 divisors (see below), whose sum is σ = 38402608896. Its totient is φ = 14399093280.

The previous prime is 25200062639. The next prime is 25200062669. The reversal of 25200062643 is 34626000252.

It is not a de Polignac number, because 25200062643 - 2² = 25200062639 is a prime.

It is a super-2 number, since 2×25200062643² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25200062643.

It is not an unprimeable number, because it can be changed into a prime (25200062623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407305 + ... + 465077.

It is an arithmetic number, because the mean of its divisors is an integer number (2400163056).

Almost surely, 2^25200062643 is an apocalyptic number.

25200062643 is a deficient number, since it is larger than the sum of its proper divisors (13202546253).

25200062643 is a wasteful number, since it uses less digits than its factorization.

25200062643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78554.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 25200062643 its reverse (34626000252), we get a palindrome (59826062895).

The spelling of 25200062643 in words is "twenty-five billion, two hundred million, sixty-two thousand, six hundred forty-three".