225373787 has 2 divisors, whose sum is σ = 225373788. Its totient is φ = 225373786.

The previous prime is 225373783. The next prime is 225373829. The reversal of 225373787 is 787373522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225373787 - 2² = 225373783 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (225373781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112686893 + 112686894.

It is an arithmetic number, because the mean of its divisors is an integer number (112686894).

Almost surely, 2^225373787 is an apocalyptic number.

225373787 is a deficient number, since it is larger than the sum of its proper divisors (1).

225373787 is an equidigital number, since it uses as much as digits as its factorization.

225373787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 493920, while the sum is 44.

The square root of 225373787 is about 15012.4543962671. The cubic root of 225373787 is about 608.5568203361.

The spelling of 225373787 in words is "two hundred twenty-five million, three hundred seventy-three thousand, seven hundred eighty-seven".