2052741621 has 16 divisors (see below), whose sum is σ = 3133620864. Its totient is φ = 1170882624.

The previous prime is 2052741617. The next prime is 2052741623. The reversal of 2052741621 is 1261472502.

It is not a de Polignac number, because 2052741621 - 2² = 2052741617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2052741623) 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 15 ways as a sum of consecutive naturals, for example, 76050 + ... + 99443.

It is an arithmetic number, because the mean of its divisors is an integer number (195851304).

Almost surely, 2^2052741621 is an apocalyptic number.

2052741621 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2052741621 is a deficient number, since it is larger than the sum of its proper divisors (1080879243).

2052741621 is a wasteful number, since it uses less digits than its factorization.

2052741621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176060.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2052741621 is about 45307.1917138990. The cubic root of 2052741621 is about 1270.9001453229.

The spelling of 2052741621 in words is "two billion, fifty-two million, seven hundred forty-one thousand, six hundred twenty-one".