245269729 has 4 divisors (see below), whose sum is σ = 247520020. Its totient is φ = 243019440.

The previous prime is 245269711. The next prime is 245269747. The reversal of 245269729 is 927962542.

245269729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (245269711) and next prime (245269747).

It can be written as a sum of positive squares in 2 ways, for example, as 65173329 + 180096400 = 8073^2 + 13420^2 .

It is a cyclic number.

It is not a de Polignac number, because 245269729 - 2⁵ = 245269697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245269789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1124982 + ... + 1125199.

It is an arithmetic number, because the mean of its divisors is an integer number (61880005).

Almost surely, 2^245269729 is an apocalyptic number.

It is an amenable number.

245269729 is a deficient number, since it is larger than the sum of its proper divisors (2250291).

245269729 is a wasteful number, since it uses less digits than its factorization.

245269729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250290.

The product of its digits is 544320, while the sum is 46.

The square root of 245269729 is about 15661.0896491911. The cubic root of 245269729 is about 625.9620205466.

The spelling of 245269729 in words is "two hundred forty-five million, two hundred sixty-nine thousand, seven hundred twenty-nine".