2512041985 has 8 divisors (see below), whose sum is σ = 3031105896. Its totient is φ = 1998529920.

The previous prime is 2512041977. The next prime is 2512041989. The reversal of 2512041985 is 5891402152.

It can be written as a sum of positive squares in 4 ways, for example, as 7139584 + 2504902401 = 2672^2 + 50049^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2512041985 - 2³ = 2512041977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2512041989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1386964 + ... + 1388773.

It is an arithmetic number, because the mean of its divisors is an integer number (378888237).

Almost surely, 2^2512041985 is an apocalyptic number.

It is an amenable number.

2512041985 is a deficient number, since it is larger than the sum of its proper divisors (519063911).

2512041985 is a wasteful number, since it uses less digits than its factorization.

2512041985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775923.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 2512041985 is about 50120.2751887896. The cubic root of 2512041985 is about 1359.3844505689.

The spelling of 2512041985 in words is "two billion, five hundred twelve million, forty-one thousand, nine hundred eighty-five".