225100461401 has 4 divisors (see below), whose sum is σ = 229347639972. Its totient is φ = 220853282832.

The previous prime is 225100461389. The next prime is 225100461403. The reversal of 225100461401 is 104164001522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90869088025 + 134231373376 = 301445^2 + 366376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225100461401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225100461403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2123589206 + ... + 2123589311.

It is an arithmetic number, because the mean of its divisors is an integer number (57336909993).

Almost surely, 2^225100461401 is an apocalyptic number.

It is an amenable number.

225100461401 is a deficient number, since it is larger than the sum of its proper divisors (4247178571).

225100461401 is an equidigital number, since it uses as much as digits as its factorization.

225100461401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4247178570.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 225100461401 its reverse (104164001522), we get a palindrome (329264462923).

The spelling of 225100461401 in words is "two hundred twenty-five billion, one hundred million, four hundred sixty-one thousand, four hundred one".