2405504061 has 20 divisors (see below), whose sum is σ = 3597947100. Its totient is φ = 1601643456.

The previous prime is 2405504053. The next prime is 2405504081. The reversal of 2405504061 is 1604055042.

It can be written as a sum of positive squares in 2 ways, for example, as 1647548100 + 757955961 = 40590^2 + 27531^2 .

It is not a de Polignac number, because 2405504061 - 2³ = 2405504053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2405504021) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 47175 + ... + 83883.

It is an arithmetic number, because the mean of its divisors is an integer number (179897355).

Almost surely, 2^2405504061 is an apocalyptic number.

It is an amenable number.

2405504061 is a deficient number, since it is larger than the sum of its proper divisors (1192443039).

2405504061 is an equidigital number, since it uses as much as digits as its factorization.

2405504061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37530 (or 37521 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2405504061 is about 49045.9382721954. The cubic root of 2405504061 is about 1339.8886186846. Note that the first 3 decimals are identical.

The spelling of 2405504061 in words is "two billion, four hundred five million, five hundred four thousand, sixty-one".