2052153444251 has 4 divisors (see below), whose sum is σ = 2052895099872. Its totient is φ = 2051411788632.

The previous prime is 2052153444221. The next prime is 2052153444269. The reversal of 2052153444251 is 1524443512502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2052153444251 - 2²² = 2052149249947 is a prime.

It is a super-2 number, since 2×2052153444251² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2052153444221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370823660 + ... + 370829193.

It is an arithmetic number, because the mean of its divisors is an integer number (513223774968).

Almost surely, 2^{2052153444251} is an apocalyptic number.

2052153444251 is a deficient number, since it is larger than the sum of its proper divisors (741655621).

2052153444251 is an equidigital number, since it uses as much as digits as its factorization.

2052153444251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741655620.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 2052153444251 its reverse (1524443512502), we get a palindrome (3576596956753).

The spelling of 2052153444251 in words is "two trillion, fifty-two billion, one hundred fifty-three million, four hundred forty-four thousand, two hundred fifty-one".