25005154541 has 2 divisors, whose sum is σ = 25005154542. Its totient is φ = 25005154540.

The previous prime is 25005154529. The next prime is 25005154543. The reversal of 25005154541 is 14545150052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24852261316 + 152893225 = 157646^2 + 12365^2 .

It is a cyclic number.

It is not a de Polignac number, because 25005154541 - 2³⁴ = 7825285357 is a prime.

Together with 25005154543, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25005154498 and 25005154507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25005154543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12502577270 + 12502577271.

It is an arithmetic number, because the mean of its divisors is an integer number (12502577271).

Almost surely, 2^25005154541 is an apocalyptic number.

It is an amenable number.

25005154541 is a deficient number, since it is larger than the sum of its proper divisors (1).

25005154541 is an equidigital number, since it uses as much as digits as its factorization.

25005154541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 25005154541 in words is "twenty-five billion, five million, one hundred fifty-four thousand, five hundred forty-one".