2512091836 has 24 divisors (see below), whose sum is σ = 4724240976. Its totient is φ = 1164514560.

The previous prime is 2512091833. The next prime is 2512091891. The reversal of 2512091836 is 6381902152.

It is a junction number, because it is equal to n+sod(n) for n = 2512091795 and 2512091804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2512091831) 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, 271135 + ... + 280246.

It is an arithmetic number, because the mean of its divisors is an integer number (196843374).

Almost surely, 2^2512091836 is an apocalyptic number.

It is an amenable number.

2512091836 is a deficient number, since it is larger than the sum of its proper divisors (2212149140).

2512091836 is a wasteful number, since it uses less digits than its factorization.

2512091836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551469 (or 551467 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 2512091836 is about 50120.7725000324. The cubic root of 2512091836 is about 1359.3934427522.

Adding to 2512091836 its reverse (6381902152), we get a palindrome (8893993988).

The spelling of 2512091836 in words is "two billion, five hundred twelve million, ninety-one thousand, eight hundred thirty-six".