2497819061 has 4 divisors (see below), whose sum is σ = 2644749612. Its totient is φ = 2350888512.

The previous prime is 2497819043. The next prime is 2497819069. The reversal of 2497819061 is 1609187942.

2497819061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2178088900 + 319730161 = 46670^2 + 17881^2 .

It is a cyclic number.

It is not a de Polignac number, because 2497819061 - 2⁶ = 2497818997 is a prime.

It is a super-2 number, since 2×2497819061² = 12478200122989843442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2497818997 and 2497819015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2497819069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73465250 + ... + 73465283.

It is an arithmetic number, because the mean of its divisors is an integer number (661187403).

Almost surely, 2^2497819061 is an apocalyptic number.

It is an amenable number.

2497819061 is a deficient number, since it is larger than the sum of its proper divisors (146930551).

2497819061 is a wasteful number, since it uses less digits than its factorization.

2497819061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146930550.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 2497819061 is about 49978.1858514292. The cubic root of 2497819061 is about 1356.8140281935.

The spelling of 2497819061 in words is "two billion, four hundred ninety-seven million, eight hundred nineteen thousand, sixty-one".