2104434025 has 6 divisors (see below), whose sum is σ = 2609498222. Its totient is φ = 1683547200.

The previous prime is 2104434023. The next prime is 2104434037. The reversal of 2104434025 is 5204344012.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 130942249 + 1973491776 = 11443^2 + 44424^2 .

It is not a de Polignac number, because 2104434025 - 2¹ = 2104434023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 84177361 = 2104434025 / (2 + 1 + 0 + 4 + 4 + 3 + 4 + 0 + 2 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104434023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42088656 + ... + 42088705.

Almost surely, 2^2104434025 is an apocalyptic number.

2104434025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2104434025 is a deficient number, since it is larger than the sum of its proper divisors (505064197).

2104434025 is an equidigital number, since it uses as much as digits as its factorization.

2104434025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84177371 (or 84177366 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2104434025 is about 45874.1106180817. The cubic root of 2104434025 is about 1281.4798202852.

Adding to 2104434025 its reverse (5204344012), we get a palindrome (7308778037).

The spelling of 2104434025 in words is "two billion, one hundred four million, four hundred thirty-four thousand, twenty-five".