245072829 has 4 divisors (see below), whose sum is σ = 326763776. Its totient is φ = 163381884.

The previous prime is 245072827. The next prime is 245072837. The reversal of 245072829 is 928270542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 245072829 - 2¹ = 245072827 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245072827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40845469 + ... + 40845474.

It is an arithmetic number, because the mean of its divisors is an integer number (81690944).

Almost surely, 2^245072829 is an apocalyptic number.

It is an amenable number.

245072829 is a deficient number, since it is larger than the sum of its proper divisors (81690947).

245072829 is an equidigital number, since it uses as much as digits as its factorization.

245072829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81690946.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 245072829 is about 15654.8021067020. The cubic root of 245072829 is about 625.7944704255.

The spelling of 245072829 in words is "two hundred forty-five million, seventy-two thousand, eight hundred twenty-nine".