225017951 has 2 divisors, whose sum is σ = 225017952. Its totient is φ = 225017950.

The previous prime is 225017939. The next prime is 225017953. The reversal of 225017951 is 159710522.

It is a happy number.

225017951 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 is a cyclic number.

It is not a de Polignac number, because 225017951 - 2⁶ = 225017887 is a prime.

Together with 225017953, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225017953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112508975 + 112508976.

It is an arithmetic number, because the mean of its divisors is an integer number (112508976).

Almost surely, 2^225017951 is an apocalyptic number.

225017951 is a deficient number, since it is larger than the sum of its proper divisors (1).

225017951 is an equidigital number, since it uses as much as digits as its factorization.

225017951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 225017951 is about 15000.5983547324. The cubic root of 225017951 is about 608.2363741802.

The spelling of 225017951 in words is "two hundred twenty-five million, seventeen thousand, nine hundred fifty-one".