1952897117 has 16 divisors (see below), whose sum is σ = 2127710592. Its totient is φ = 1785146880.

The previous prime is 1952897099. The next prime is 1952897129. The reversal of 1952897117 is 7117982591.

It is a happy number.

It is not a de Polignac number, because 1952897117 - 2¹⁰ = 1952896093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1952897137) 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 15 ways as a sum of consecutive naturals, for example, 152048 + ... + 164390.

It is an arithmetic number, because the mean of its divisors is an integer number (132981912).

Almost surely, 2^1952897117 is an apocalyptic number.

1952897117 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1952897117 is a deficient number, since it is larger than the sum of its proper divisors (174813475).

1952897117 is a wasteful number, since it uses less digits than its factorization.

1952897117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12628.

The product of its digits is 317520, while the sum is 50.

The square root of 1952897117 is about 44191.5955471173. The cubic root of 1952897117 is about 1249.9513830691.

The spelling of 1952897117 in words is "one billion, nine hundred fifty-two million, eight hundred ninety-seven thousand, one hundred seventeen".