2405440523 has 2 divisors, whose sum is σ = 2405440524. Its totient is φ = 2405440522.

The previous prime is 2405440417. The next prime is 2405440547. The reversal of 2405440523 is 3250445042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2405440523 - 2¹² = 2405436427 is a prime.

It is a super-2 number, since 2×2405440523² = 11572288219381027058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2405440553) 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 as a sum of consecutive naturals, namely, 1202720261 + 1202720262.

It is an arithmetic number, because the mean of its divisors is an integer number (1202720262).

Almost surely, 2^2405440523 is an apocalyptic number.

2405440523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2405440523 is an equidigital number, since it uses as much as digits as its factorization.

2405440523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 2405440523 is about 49045.2905282454. The cubic root of 2405440523 is about 1339.8768214908.

Adding to 2405440523 its reverse (3250445042), we get a palindrome (5655885565).

The spelling of 2405440523 in words is "two billion, four hundred five million, four hundred forty thousand, five hundred twenty-three".