2345729825 has 6 divisors (see below), whose sum is σ = 2908705014. Its totient is φ = 1876583840.

The previous prime is 2345729803. The next prime is 2345729849. The reversal of 2345729825 is 5289275432.

It can be written as a sum of positive squares in 3 ways, for example, as 146870161 + 2198859664 = 12119^2 + 46892^2 .

It is not a de Polignac number, because 2345729825 - 2¹² = 2345725729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2345729825.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46914572 + ... + 46914621.

It is an arithmetic number, because the mean of its divisors is an integer number (484784169).

Almost surely, 2^2345729825 is an apocalyptic number.

2345729825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2345729825 is a deficient number, since it is larger than the sum of its proper divisors (562975189).

2345729825 is an equidigital number, since it uses as much as digits as its factorization.

2345729825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93829203 (or 93829198 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 47.

The square root of 2345729825 is about 48432.7350559516. The cubic root of 2345729825 is about 1328.6971289680.

The spelling of 2345729825 in words is "two billion, three hundred forty-five million, seven hundred twenty-nine thousand, eight hundred twenty-five".