2405437481 has 2 divisors, whose sum is σ = 2405437482. Its totient is φ = 2405437480.

The previous prime is 2405437477. The next prime is 2405437483. The reversal of 2405437481 is 1847345042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2177155600 + 228281881 = 46660^2 + 15109^2 .

It is a cyclic number.

It is not a de Polignac number, because 2405437481 - 2² = 2405437477 is a prime.

It is a super-2 number, since 2×2405437481² = 11572258949999250722, which contains 22 as substring.

Together with 2405437483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2405437483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202718740 + 1202718741.

It is an arithmetic number, because the mean of its divisors is an integer number (1202718741).

Almost surely, 2^2405437481 is an apocalyptic number.

It is an amenable number.

2405437481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2405437481 is an equidigital number, since it uses as much as digits as its factorization.

2405437481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 2405437481 is about 49045.2595160837. The cubic root of 2405437481 is about 1339.8762566730.

The spelling of 2405437481 in words is "two billion, four hundred five million, four hundred thirty-seven thousand, four hundred eighty-one".