225610501 has 2 divisors, whose sum is σ = 225610502. Its totient is φ = 225610500.

The previous prime is 225610499. The next prime is 225610531. The reversal of 225610501 is 105016522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173554276 + 52056225 = 13174^2 + 7215^2 .

It is a cyclic number.

It is not a de Polignac number, because 225610501 - 2¹ = 225610499 is a prime.

It is a super-2 number, since 2×225610501² = 101800196322942002, which contains 22 as substring.

Together with 225610499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225610531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112805250 + 112805251.

It is an arithmetic number, because the mean of its divisors is an integer number (112805251).

Almost surely, 2^225610501 is an apocalyptic number.

It is an amenable number.

225610501 is a deficient number, since it is larger than the sum of its proper divisors (1).

225610501 is an equidigital number, since it uses as much as digits as its factorization.

225610501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 225610501 is about 15020.3362479007. The cubic root of 225610501 is about 608.7698050498.

The spelling of 225610501 in words is "two hundred twenty-five million, six hundred ten thousand, five hundred one".