25030420001 has 2 divisors, whose sum is σ = 25030420002. Its totient is φ = 25030420000.

The previous prime is 25030419983. The next prime is 25030420003. The reversal of 25030420001 is 10002403052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24712154401 + 318265600 = 157201^2 + 17840^2 .

It is a cyclic number.

It is not a de Polignac number, because 25030420001 - 2³⁴ = 7850550817 is a prime.

Together with 25030420003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25030420003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12515210000 + 12515210001.

It is an arithmetic number, because the mean of its divisors is an integer number (12515210001).

Almost surely, 2^25030420001 is an apocalyptic number.

It is an amenable number.

25030420001 is a deficient number, since it is larger than the sum of its proper divisors (1).

25030420001 is an equidigital number, since it uses as much as digits as its factorization.

25030420001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 17.

Adding to 25030420001 its reverse (10002403052), we get a palindrome (35032823053).

The spelling of 25030420001 in words is "twenty-five billion, thirty million, four hundred twenty thousand, one".