2405555061 has 32 divisors (see below), whose sum is σ = 3984519168. Its totient is φ = 1256990400.

The previous prime is 2405554997. The next prime is 2405555071. The reversal of 2405555061 is 1605555042.

It is not a de Polignac number, because 2405555061 - 2⁶ = 2405554997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2405555071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11965 + ... + 70386.

It is an arithmetic number, because the mean of its divisors is an integer number (124516224).

Almost surely, 2^2405555061 is an apocalyptic number.

2405555061 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2405555061 is a deficient number, since it is larger than the sum of its proper divisors (1578964107).

2405555061 is a wasteful number, since it uses less digits than its factorization.

2405555061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82481.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 2405555061 is about 49046.4581901690. The cubic root of 2405555061 is about 1339.8980877792.

The spelling of 2405555061 in words is "two billion, four hundred five million, five hundred fifty-five thousand, sixty-one".