225738547 has 2 divisors, whose sum is σ = 225738548. Its totient is φ = 225738546.

The previous prime is 225738521. The next prime is 225738571. The reversal of 225738547 is 745837522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225738547 - 2⁷ = 225738419 is a prime.

It is not a weakly prime, because it can be changed into another prime (225738587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112869273 + 112869274.

It is an arithmetic number, because the mean of its divisors is an integer number (112869274).

Almost surely, 2^225738547 is an apocalyptic number.

225738547 is a deficient number, since it is larger than the sum of its proper divisors (1).

225738547 is an equidigital number, since it uses as much as digits as its factorization.

225738547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 470400, while the sum is 43.

The square root of 225738547 is about 15024.5980645074. The cubic root of 225738547 is about 608.8849530530.

It can be divided in two parts, 2257 and 38547, that added together give a palindrome (40804).

The spelling of 225738547 in words is "two hundred twenty-five million, seven hundred thirty-eight thousand, five hundred forty-seven".