2651542530 has 512 divisors, whose sum is σ = 9103933440. Its totient is φ = 477757440.

The previous prime is 2651542483. The next prime is 2651542577. The reversal of 2651542530 is 352451562.

It is an interprime number because it is at equal distance from previous prime (2651542483) and next prime (2651542577).

It is a junction number, because it is equal to n+sod(n) for n = 2651542491 and 2651542500.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 27335442 + ... + 27335538.

It is an arithmetic number, because the mean of its divisors is an integer number (17781120).

Almost surely, 2^2651542530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2651542530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4551966720).

2651542530 is an abundant number, since it is smaller than the sum of its proper divisors (6452390910).

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

2651542530 is a wasteful number, since it uses less digits than its factorization.

2651542530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 2651542530 is about 51493.1309011212. The cubic root of 2651542530 is about 1384.0959541350.

The spelling of 2651542530 in words is "two billion, six hundred fifty-one million, five hundred forty-two thousand, five hundred thirty".