2621253030 has 64 divisors (see below), whose sum is σ = 6872318208. Its totient is φ = 634584960.

The previous prime is 2621253023. The next prime is 2621253031. The reversal of 2621253030 is 303521262.

2621253030 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 (2621253031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254664 + ... + 264756.

It is an arithmetic number, because the mean of its divisors is an integer number (107379972).

Almost surely, 2^2621253030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2621253030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3436159104).

2621253030 is an abundant number, since it is smaller than the sum of its proper divisors (4251065178).

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

2621253030 is a wasteful number, since it uses less digits than its factorization.

2621253030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10901.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2621253030 is about 51198.1740885356. The cubic root of 2621253030 is about 1378.8054197006.

Adding to 2621253030 its reverse (303521262), we get a palindrome (2924774292).

The spelling of 2621253030 in words is "two billion, six hundred twenty-one million, two hundred fifty-three thousand, thirty".