2052421525 has 48 divisors (see below), whose sum is σ = 3179760768. Its totient is φ = 1276704000.

The previous prime is 2052421507. The next prime is 2052421529. The reversal of 2052421525 is 5251242502.

It is not a de Polignac number, because 2052421525 - 2²³ = 2044032917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2052421493 and 2052421502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2052421529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1271619 + ... + 1273231.

It is an arithmetic number, because the mean of its divisors is an integer number (66245016).

Almost surely, 2^2052421525 is an apocalyptic number.

2052421525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2052421525 is a deficient number, since it is larger than the sum of its proper divisors (1127339243).

2052421525 is a wasteful number, since it uses less digits than its factorization.

2052421525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302 (or 2297 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 2052421525 is about 45303.6590685565. The cubic root of 2052421525 is about 1270.8340822594.

The spelling of 2052421525 in words is "two billion, fifty-two million, four hundred twenty-one thousand, five hundred twenty-five".