1952057397 has 8 divisors (see below), whose sum is σ = 2739729760. Its totient is φ = 1232878320.

The previous prime is 1952057377. The next prime is 1952057441. The reversal of 1952057397 is 7937502591.

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

It is not a de Polignac number, because 1952057397 - 2⁸ = 1952057141 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 (1952057377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17123254 + ... + 17123367.

It is an arithmetic number, because the mean of its divisors is an integer number (342466220).

Almost surely, 2^1952057397 is an apocalyptic number.

It is an amenable number.

1952057397 is a deficient number, since it is larger than the sum of its proper divisors (787672363).

1952057397 is a wasteful number, since it uses less digits than its factorization.

1952057397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34246643.

The product of its (nonzero) digits is 595350, while the sum is 48.

The square root of 1952057397 is about 44182.0936240011. The cubic root of 1952057397 is about 1249.7722031827.

The spelling of 1952057397 in words is "one billion, nine hundred fifty-two million, fifty-seven thousand, three hundred ninety-seven".