25254102043 has 4 divisors (see below), whose sum is σ = 26068750528. Its totient is φ = 24439453560.

The previous prime is 25254102037. The next prime is 25254102047. The reversal of 25254102043 is 34020145252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25254102043 - 2⁵ = 25254102011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25254102047) 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, 407324196 + ... + 407324257.

It is an arithmetic number, because the mean of its divisors is an integer number (6517187632).

Almost surely, 2^25254102043 is an apocalyptic number.

25254102043 is a deficient number, since it is larger than the sum of its proper divisors (814648485).

25254102043 is an equidigital number, since it uses as much as digits as its factorization.

25254102043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814648484.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 25254102043 its reverse (34020145252), we get a palindrome (59274247295).

The spelling of 25254102043 in words is "twenty-five billion, two hundred fifty-four million, one hundred two thousand, forty-three".