2512449858 has 32 divisors (see below), whose sum is σ = 5205528000. Its totient is φ = 807460416.

The previous prime is 2512449803. The next prime is 2512449859. The reversal of 2512449858 is 8589442152.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2512449859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117693 + ... + 137391.

It is an arithmetic number, because the mean of its divisors is an integer number (162672750).

Almost surely, 2^2512449858 is an apocalyptic number.

2512449858 is an abundant number, since it is smaller than the sum of its proper divisors (2693078142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2512449858 is a wasteful number, since it uses less digits than its factorization.

2512449858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20466.

The product of its digits is 921600, while the sum is 48.

The square root of 2512449858 is about 50124.3439657817. The cubic root of 2512449858 is about 1359.4580196960.

The spelling of 2512449858 in words is "two billion, five hundred twelve million, four hundred forty-nine thousand, eight hundred fifty-eight".