245924022481 has 4 divisors (see below), whose sum is σ = 245925099700. Its totient is φ = 245922945264.

The previous prime is 245924022467. The next prime is 245924022577. The reversal of 245924022481 is 184220429542.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 127312662481 + 118611360000 = 356809^2 + 344400^2 .

It is a cyclic number.

It is not a de Polignac number, because 245924022481 - 2¹⁵ = 245923989713 is a prime.

It is a super-2 number, since 2×245924022481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245924022401) 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, 45966 + ... + 702823.

It is an arithmetic number, because the mean of its divisors is an integer number (61481274925).

Almost surely, 2^245924022481 is an apocalyptic number.

It is an amenable number.

245924022481 is a deficient number, since it is larger than the sum of its proper divisors (1077219).

245924022481 is an equidigital number, since it uses as much as digits as its factorization.

245924022481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077218.

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 245924022481 in words is "two hundred forty-five billion, nine hundred twenty-four million, twenty-two thousand, four hundred eighty-one".