2530021641 has 16 divisors (see below), whose sum is σ = 3855974400. Its totient is φ = 1445462928.

The previous prime is 2530021603. The next prime is 2530021649. The reversal of 2530021641 is 1461200352.

It is not a de Polignac number, because 2530021641 - 2⁶ = 2530021577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2530021649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213880 + ... + 225398.

It is an arithmetic number, because the mean of its divisors is an integer number (240998400).

Almost surely, 2^2530021641 is an apocalyptic number.

2530021641 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2530021641 is a deficient number, since it is larger than the sum of its proper divisors (1325952759).

2530021641 is a wasteful number, since it uses less digits than its factorization.

2530021641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21988.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2530021641 is about 50299.3204824876. The cubic root of 2530021641 is about 1362.6199569608.

Adding to 2530021641 its reverse (1461200352), we get a palindrome (3991221993).

The spelling of 2530021641 in words is "two billion, five hundred thirty million, twenty-one thousand, six hundred forty-one".