2512891650 has 48 divisors (see below), whose sum is σ = 6349575744. Its totient is φ = 657458880.

The previous prime is 2512891639. The next prime is 2512891687. The reversal of 2512891650 is 561982152.

2512891650 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2512891599 and 2512891608.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150094 + ... + 165993.

It is an arithmetic number, because the mean of its divisors is an integer number (132282828).

Almost surely, 2^2512891650 is an apocalyptic number.

2512891650 is an abundant number, since it is smaller than the sum of its proper divisors (3836684094).

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

2512891650 is a wasteful number, since it uses less digits than its factorization.

2512891650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316155 (or 316150 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 2512891650 is about 50128.7507324888. The cubic root of 2512891650 is about 1359.5376979001.

The spelling of 2512891650 in words is "two billion, five hundred twelve million, eight hundred ninety-one thousand, six hundred fifty".