2515445812 has 24 divisors (see below), whose sum is σ = 4848846912. Its totient is φ = 1132281600.

The previous prime is 2515445809. The next prime is 2515445813. The reversal of 2515445812 is 2185445152.

2515445812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2515445813) 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, 272989 + ... + 282052.

It is an arithmetic number, because the mean of its divisors is an integer number (202035288).

Almost surely, 2^2515445812 is an apocalyptic number.

2515445812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2515445812 is a deficient number, since it is larger than the sum of its proper divisors (2333401100).

2515445812 is a wasteful number, since it uses less digits than its factorization.

2515445812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555159 (or 555157 counting only the distinct ones).

The product of its digits is 64000, while the sum is 37.

The square root of 2515445812 is about 50154.2202810491. The cubic root of 2515445812 is about 1359.9981639249.

The spelling of 2515445812 in words is "two billion, five hundred fifteen million, four hundred forty-five thousand, eight hundred twelve".