1952774513 has 4 divisors (see below), whose sum is σ = 2067643620. Its totient is φ = 1837905408.

The previous prime is 1952774489. The next prime is 1952774531. The reversal of 1952774513 is 3154772591.

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 1466660209 + 486114304 = 38297^2 + 22048^2 .

It is a cyclic number.

It is not a de Polignac number, because 1952774513 - 2¹⁸ = 1952512369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1952774713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57434528 + ... + 57434561.

It is an arithmetic number, because the mean of its divisors is an integer number (516910905).

Almost surely, 2^1952774513 is an apocalyptic number.

It is an amenable number.

1952774513 is a deficient number, since it is larger than the sum of its proper divisors (114869107).

1952774513 is a wasteful number, since it uses less digits than its factorization.

1952774513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114869106.

The product of its digits is 264600, while the sum is 44.

The square root of 1952774513 is about 44190.2083384996. The cubic root of 1952774513 is about 1249.9252249670.

The spelling of 1952774513 in words is "one billion, nine hundred fifty-two million, seven hundred seventy-four thousand, five hundred thirteen".