225740351 has 2 divisors, whose sum is σ = 225740352. Its totient is φ = 225740350.

The previous prime is 225740299. The next prime is 225740369. The reversal of 225740351 is 153047522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225740351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225740381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112870175 + 112870176.

It is an arithmetic number, because the mean of its divisors is an integer number (112870176).

Almost surely, 2^225740351 is an apocalyptic number.

225740351 is a deficient number, since it is larger than the sum of its proper divisors (1).

225740351 is an equidigital number, since it uses as much as digits as its factorization.

225740351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 225740351 is about 15024.6580992713. The cubic root of 225740351 is about 608.8865750260.

Adding to 225740351 its reverse (153047522), we get a palindrome (378787873).

The spelling of 225740351 in words is "two hundred twenty-five million, seven hundred forty thousand, three hundred fifty-one".