2125515010 has 8 divisors (see below), whose sum is σ = 3825927036. Its totient is φ = 850206000.

The previous prime is 2125514959. The next prime is 2125515011. The reversal of 2125515010 is 105155212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1811268481 + 314246529 = 42559^2 + 17727^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2125515011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106275741 + ... + 106275760.

Almost surely, 2^2125515010 is an apocalyptic number.

2125515010 is a deficient number, since it is larger than the sum of its proper divisors (1700412026).

2125515010 is a wasteful number, since it uses less digits than its factorization.

2125515010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212551508.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 2125515010 is about 46103.3080158029. The cubic root of 2125515010 is about 1285.7446485657.

The spelling of 2125515010 in words is "two billion, one hundred twenty-five million, five hundred fifteen thousand, ten".