225401010001 has 2 divisors, whose sum is σ = 225401010002. Its totient is φ = 225401010000.

The previous prime is 225401009917. The next prime is 225401010019. The reversal of 225401010001 is 100010104522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224440010001 + 961000000 = 473751^2 + 31000^2 .

It is a cyclic number.

It is not a de Polignac number, because 225401010001 - 2⁹ = 225401009489 is a prime.

It is not a weakly prime, because it can be changed into another prime (225401010061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112700505000 + 112700505001.

It is an arithmetic number, because the mean of its divisors is an integer number (112700505001).

Almost surely, 2^225401010001 is an apocalyptic number.

It is an amenable number.

225401010001 is a deficient number, since it is larger than the sum of its proper divisors (1).

225401010001 is an equidigital number, since it uses as much as digits as its factorization.

225401010001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 225401010001 its reverse (100010104522), we get a palindrome (325411114523).

The spelling of 225401010001 in words is "two hundred twenty-five billion, four hundred one million, ten thousand, one".