245828031 has 4 divisors (see below), whose sum is σ = 327770712. Its totient is φ = 163885352.

The previous prime is 245828021. The next prime is 245828059. The reversal of 245828031 is 130828542.

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

It is a cyclic number.

It is not a de Polignac number, because 245828031 - 2⁵ = 245827999 is a prime.

It is a super-2 number, since 2×245828031² = 120862841650673922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245827983 and 245828001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245828021) 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, 40971336 + ... + 40971341.

It is an arithmetic number, because the mean of its divisors is an integer number (81942678).

Almost surely, 2^245828031 is an apocalyptic number.

245828031 is a deficient number, since it is larger than the sum of its proper divisors (81942681).

245828031 is an equidigital number, since it uses as much as digits as its factorization.

245828031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81942680.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 245828031 is about 15678.9040114416. The cubic root of 245828031 is about 626.4366150760.

The spelling of 245828031 in words is "two hundred forty-five million, eight hundred twenty-eight thousand, thirty-one".