2051395033 has 4 divisors (see below), whose sum is σ = 2106838180. Its totient is φ = 1995951888.

The previous prime is 2051395019. The next prime is 2051395037. The reversal of 2051395033 is 3305931502.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1744899984 + 306495049 = 41772^2 + 17507^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2051395033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2051394986 and 2051395004.

It is not an unprimeable number, because it can be changed into a prime (2051395037) 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, 27721518 + ... + 27721591.

It is an arithmetic number, because the mean of its divisors is an integer number (526709545).

Almost surely, 2^2051395033 is an apocalyptic number.

It is an amenable number.

2051395033 is a deficient number, since it is larger than the sum of its proper divisors (55443147).

2051395033 is an equidigital number, since it uses as much as digits as its factorization.

2051395033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55443146.

The product of its (nonzero) digits is 12150, while the sum is 31.

The square root of 2051395033 is about 45292.3286330036. The cubic root of 2051395033 is about 1270.6221832027.

The spelling of 2051395033 in words is "two billion, fifty-one million, three hundred ninety-five thousand, thirty-three".