245435389 has 8 divisors (see below), whose sum is σ = 254250360. Its totient is φ = 236755200.

The previous prime is 245435387. The next prime is 245435419. The reversal of 245435389 is 983534542.

It can be written as a sum of positive squares in 4 ways, for example, as 1138489 + 244296900 = 1067^2 + 15630^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245435389 - 2¹ = 245435387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245435387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29982 + ... + 37279.

It is an arithmetic number, because the mean of its divisors is an integer number (31781295).

Almost surely, 2^245435389 is an apocalyptic number.

It is an amenable number.

245435389 is a deficient number, since it is larger than the sum of its proper divisors (8814971).

245435389 is an equidigital number, since it uses as much as digits as its factorization.

245435389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67391.

The product of its digits is 518400, while the sum is 43.

The square root of 245435389 is about 15666.3776604549. The cubic root of 245435389 is about 626.1029178507.

The spelling of 245435389 in words is "two hundred forty-five million, four hundred thirty-five thousand, three hundred eighty-nine".