2500000427 has 2 divisors, whose sum is σ = 2500000428. Its totient is φ = 2500000426.

The previous prime is 2500000397. The next prime is 2500000429. The reversal of 2500000427 is 7240000052.

2500000427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2500000427 - 2¹⁴ = 2499984043 is a prime.

Together with 2500000429, 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 = 2500000399 and 2500000408.

It is not a weakly prime, because it can be changed into another prime (2500000429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250000213 + 1250000214.

It is an arithmetic number, because the mean of its divisors is an integer number (1250000214).

Almost surely, 2^2500000427 is an apocalyptic number.

2500000427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500000427 is an equidigital number, since it uses as much as digits as its factorization.

2500000427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 2500000427 is about 50000.0042699998. The cubic root of 2500000427 is about 1357.2088855679.

Adding to 2500000427 its reverse (7240000052), we get a palindrome (9740000479).

The spelling of 2500000427 in words is "two billion, five hundred million, four hundred twenty-seven", and thus it is an aban number.