2053621311 has 24 divisors (see below), whose sum is σ = 3193089840. Its totient is φ = 1170594432.

The previous prime is 2053621307. The next prime is 2053621321. The reversal of 2053621311 is 1131263502.

It is not a de Polignac number, because 2053621311 - 2² = 2053621307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053621321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43045 + ... + 77201.

It is an arithmetic number, because the mean of its divisors is an integer number (133045410).

Almost surely, 2^2053621311 is an apocalyptic number.

2053621311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2053621311 is a deficient number, since it is larger than the sum of its proper divisors (1139468529).

2053621311 is a wasteful number, since it uses less digits than its factorization.

2053621311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34583 (or 34576 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2053621311 is about 45316.8987354607. The cubic root of 2053621311 is about 1271.0816649179.

Adding to 2053621311 its reverse (1131263502), we get a palindrome (3184884813).

The spelling of 2053621311 in words is "two billion, fifty-three million, six hundred twenty-one thousand, three hundred eleven".