245533011 has 4 divisors (see below), whose sum is σ = 327377352. Its totient is φ = 163688672.

The previous prime is 245533003. The next prime is 245533019. The reversal of 245533011 is 110335542.

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 (245533003) and next prime (245533019).

It is a cyclic number.

It is not a de Polignac number, because 245533011 - 2³ = 245533003 is a prime.

It is a super-2 number, since 2×245533011² = 120572918981452242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245533019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40922166 + ... + 40922171.

It is an arithmetic number, because the mean of its divisors is an integer number (81844338).

Almost surely, 2^245533011 is an apocalyptic number.

245533011 is a deficient number, since it is larger than the sum of its proper divisors (81844341).

245533011 is an equidigital number, since it uses as much as digits as its factorization.

245533011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81844340.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 245533011 is about 15669.4930039233. The cubic root of 245533011 is about 626.1859177221.

Adding to 245533011 its reverse (110335542), we get a palindrome (355868553).

The spelling of 245533011 in words is "two hundred forty-five million, five hundred thirty-three thousand, eleven".