245125189 has 2 divisors, whose sum is σ = 245125190. Its totient is φ = 245125188.

The previous prime is 245125171. The next prime is 245125207. The reversal of 245125189 is 981521542.

It is a balanced prime because it is at equal distance from previous prime (245125171) and next prime (245125207).

It can be written as a sum of positive squares in only one way, i.e., 129390625 + 115734564 = 11375^2 + 10758^2 .

It is a cyclic number.

It is not a de Polignac number, because 245125189 - 2¹¹ = 245123141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245125109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122562594 + 122562595.

It is an arithmetic number, because the mean of its divisors is an integer number (122562595).

Almost surely, 2^245125189 is an apocalyptic number.

It is an amenable number.

245125189 is a deficient number, since it is larger than the sum of its proper divisors (1).

245125189 is an equidigital number, since it uses as much as digits as its factorization.

245125189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 37.

The square root of 245125189 is about 15656.4743476940. The cubic root of 245125189 is about 625.8390344100.

The spelling of 245125189 in words is "two hundred forty-five million, one hundred twenty-five thousand, one hundred eighty-nine".