113225401 has 2 divisors, whose sum is σ = 113225402. Its totient is φ = 113225400.

The previous prime is 113225393. The next prime is 113225419. The reversal of 113225401 is 104522311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62031376 + 51194025 = 7876^2 + 7155^2 .

It is an emirp because it is prime and its reverse (104522311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113225401 - 2³ = 113225393 is a prime.

It is a super-2 number, since 2×113225401² = 25639982863221602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113225471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56612700 + 56612701.

It is an arithmetic number, because the mean of its divisors is an integer number (56612701).

Almost surely, 2^113225401 is an apocalyptic number.

It is an amenable number.

113225401 is a deficient number, since it is larger than the sum of its proper divisors (1).

113225401 is an equidigital number, since it uses as much as digits as its factorization.

113225401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 113225401 is about 10640.7425022881. The cubic root of 113225401 is about 483.7800508366.

Adding to 113225401 its reverse (104522311), we get a palindrome (217747712).

The spelling of 113225401 in words is "one hundred thirteen million, two hundred twenty-five thousand, four hundred one".