2497121208 has 48 divisors (see below), whose sum is σ = 7118989800. Its totient is φ = 788564160.

The previous prime is 2497121197. The next prime is 2497121213. The reversal of 2497121208 is 8021217942.

2497121208 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 super-2 number, since 2×2497121208² = 12471228654886758528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 911323 + ... + 914058.

Almost surely, 2^2497121208 is an apocalyptic number.

It is an amenable number.

2497121208 is an abundant number, since it is smaller than the sum of its proper divisors (4621868592).

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

2497121208 is a wasteful number, since it uses less digits than its factorization.

2497121208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825412 (or 1825405 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 2497121208 is about 49971.2037877816. The cubic root of 2497121208 is about 1356.6876586274.

The spelling of 2497121208 in words is "two billion, four hundred ninety-seven million, one hundred twenty-one thousand, two hundred eight".