220125397 has 2 divisors, whose sum is σ = 220125398. Its totient is φ = 220125396.

The previous prime is 220125343. The next prime is 220125403. The reversal of 220125397 is 793521022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220047556 + 77841 = 14834^2 + 279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220125397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220125337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110062698 + 110062699.

It is an arithmetic number, because the mean of its divisors is an integer number (110062699).

Almost surely, 2^220125397 is an apocalyptic number.

It is an amenable number.

220125397 is a deficient number, since it is larger than the sum of its proper divisors (1).

220125397 is an equidigital number, since it uses as much as digits as its factorization.

220125397 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 220125397 is about 14836.6235040187. The cubic root of 220125397 is about 603.7957485548.

The spelling of 220125397 in words is "two hundred twenty million, one hundred twenty-five thousand, three hundred ninety-seven".