225161737 has 2 divisors, whose sum is σ = 225161738. Its totient is φ = 225161736.

The previous prime is 225161701. The next prime is 225161747. The reversal of 225161737 is 737161522.

225161737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135745801 + 89415936 = 11651^2 + 9456^2 .

It is a cyclic number.

It is not a de Polignac number, because 225161737 - 2¹⁹ = 224637449 is a prime.

It is a super-3 number, since 3×225161737³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (225161747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112580868 + 112580869.

It is an arithmetic number, because the mean of its divisors is an integer number (112580869).

Almost surely, 2^225161737 is an apocalyptic number.

It is an amenable number.

225161737 is a deficient number, since it is larger than the sum of its proper divisors (1).

225161737 is an equidigital number, since it uses as much as digits as its factorization.

225161737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 34.

The square root of 225161737 is about 15005.3902648348. The cubic root of 225161737 is about 608.3659005187.

The spelling of 225161737 in words is "two hundred twenty-five million, one hundred sixty-one thousand, seven hundred thirty-seven".