25004354651 has 2 divisors, whose sum is σ = 25004354652. Its totient is φ = 25004354650.

The previous prime is 25004354611. The next prime is 25004354659. The reversal of 25004354651 is 15645340052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25004354651 is a prime.

It is not a weakly prime, because it can be changed into another prime (25004354659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12502177325 + 12502177326.

It is an arithmetic number, because the mean of its divisors is an integer number (12502177326).

Almost surely, 2^25004354651 is an apocalyptic number.

25004354651 is a deficient number, since it is larger than the sum of its proper divisors (1).

25004354651 is an equidigital number, since it uses as much as digits as its factorization.

25004354651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 25004354651 in words is "twenty-five billion, four million, three hundred fifty-four thousand, six hundred fifty-one".