220525379 has 2 divisors, whose sum is σ = 220525380. Its totient is φ = 220525378.

The previous prime is 220525321. The next prime is 220525391. The reversal of 220525379 is 973525022.

220525379 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 a de Polignac number, because none of the positive numbers 2^k-220525379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (220425379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110262689 + 110262690.

It is an arithmetic number, because the mean of its divisors is an integer number (110262690).

Almost surely, 2^220525379 is an apocalyptic number.

220525379 is a deficient number, since it is larger than the sum of its proper divisors (1).

220525379 is an equidigital number, since it uses as much as digits as its factorization.

220525379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 220525379 is about 14850.0969357106. The cubic root of 220525379 is about 604.1612391702.

The spelling of 220525379 in words is "two hundred twenty million, five hundred twenty-five thousand, three hundred seventy-nine".