4242525021401 has 2 divisors, whose sum is σ = 4242525021402. Its totient is φ = 4242525021400.

The previous prime is 4242525021391. The next prime is 4242525021407. The reversal of 4242525021401 is 1041205252424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3429074354176 + 813450667225 = 1851776^2 + 901915^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4242525021401 is a prime.

It is not a weakly prime, because it can be changed into another prime (4242525021407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121262510700 + 2121262510701.

It is an arithmetic number, because the mean of its divisors is an integer number (2121262510701).

Almost surely, 2^{4242525021401} is an apocalyptic number.

It is an amenable number.

4242525021401 is a deficient number, since it is larger than the sum of its proper divisors (1).

4242525021401 is an equidigital number, since it uses as much as digits as its factorization.

4242525021401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25600, while the sum is 32.

The spelling of 4242525021401 in words is "four trillion, two hundred forty-two billion, five hundred twenty-five million, twenty-one thousand, four hundred one".