225012379 has 2 divisors, whose sum is σ = 225012380. Its totient is φ = 225012378.

The previous prime is 225012373. The next prime is 225012407. The reversal of 225012379 is 973210522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225012379 - 2⁷ = 225012251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225012379.

It is not a weakly prime, because it can be changed into another prime (225012373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112506189 + 112506190.

It is an arithmetic number, because the mean of its divisors is an integer number (112506190).

Almost surely, 2^225012379 is an apocalyptic number.

225012379 is a deficient number, since it is larger than the sum of its proper divisors (1).

225012379 is an equidigital number, since it uses as much as digits as its factorization.

225012379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 225012379 is about 15000.4126276579. The cubic root of 225012379 is about 608.2313536607.

The spelling of 225012379 in words is "two hundred twenty-five million, twelve thousand, three hundred seventy-nine".