2051515353 has 8 divisors (see below), whose sum is σ = 2735569600. Its totient is φ = 1367569008.

The previous prime is 2051515331. The next prime is 2051515363. The reversal of 2051515353 is 3535151502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2051515353 - 2⁵ = 2051515321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2051515353.

It is not an unprimeable number, because it can be changed into a prime (2051515363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44283 + ... + 77871.

It is an arithmetic number, because the mean of its divisors is an integer number (341946200).

Almost surely, 2^2051515353 is an apocalyptic number.

It is an amenable number.

2051515353 is a deficient number, since it is larger than the sum of its proper divisors (684054247).

2051515353 is a wasteful number, since it uses less digits than its factorization.

2051515353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53951.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 2051515353 is about 45293.6568737831. The cubic root of 2051515353 is about 1270.6470245537.

Adding to 2051515353 its reverse (3535151502), we get a palindrome (5586666855).

The spelling of 2051515353 in words is "two billion, fifty-one million, five hundred fifteen thousand, three hundred fifty-three".