2621530246 has 4 divisors (see below), whose sum is σ = 3932295372. Its totient is φ = 1310765122.

The previous prime is 2621530213. The next prime is 2621530259. The reversal of 2621530246 is 6420351262.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655382560 + ... + 655382563.

It is an arithmetic number, because the mean of its divisors is an integer number (983073843).

Almost surely, 2^2621530246 is an apocalyptic number.

2621530246 is a deficient number, since it is larger than the sum of its proper divisors (1310765126).

2621530246 is a wasteful number, since it uses less digits than its factorization.

2621530246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310765125.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2621530246 is about 51200.8813010089. The cubic root of 2621530246 is about 1378.8540241206.

The spelling of 2621530246 in words is "two billion, six hundred twenty-one million, five hundred thirty thousand, two hundred forty-six".