2051253153 has 24 divisors (see below), whose sum is σ = 3079492416. Its totient is φ = 1364461200.

The previous prime is 2051253131. The next prime is 2051253251. The reversal of 2051253153 is 3513521502.

It is a happy number.

It is not a de Polignac number, because 2051253153 - 2⁵ = 2051253121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2051253103) 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, 102868 + ... + 121178.

It is an arithmetic number, because the mean of its divisors is an integer number (128312184).

Almost surely, 2^2051253153 is an apocalyptic number.

It is an amenable number.

2051253153 is a deficient number, since it is larger than the sum of its proper divisors (1028239263).

2051253153 is an equidigital number, since it uses as much as digits as its factorization.

2051253153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18787 (or 18775 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 2051253153 is about 45290.7623362646. The cubic root of 2051253153 is about 1270.5928893110.

Adding to 2051253153 its reverse (3513521502), we get a palindrome (5564774655).

The spelling of 2051253153 in words is "two billion, fifty-one million, two hundred fifty-three thousand, one hundred fifty-three".