2051513342 has 4 divisors (see below), whose sum is σ = 3077270016. Its totient is φ = 1025756670.

The previous prime is 2051513341. The next prime is 2051513363. The reversal of 2051513342 is 2433151502.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2433151502 = 2 ⋅1216575751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051513341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512878334 + ... + 512878337.

It is an arithmetic number, because the mean of its divisors is an integer number (769317504).

Almost surely, 2^2051513342 is an apocalyptic number.

2051513342 is a deficient number, since it is larger than the sum of its proper divisors (1025756674).

2051513342 is a wasteful number, since it uses less digits than its factorization.

2051513342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025756673.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2051513342 is about 45293.6346742012. The cubic root of 2051513342 is about 1270.6466093692.

Adding to 2051513342 its reverse (2433151502), we get a palindrome (4484664844).

The spelling of 2051513342 in words is "two billion, fifty-one million, five hundred thirteen thousand, three hundred forty-two".