52070381 has 8 divisors (see below), whose sum is σ = 57252864. Its totient is φ = 46962720.

The previous prime is 52070357. The next prime is 52070383. The reversal of 52070381 is 18307025.

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

It is a cyclic number.

It is not a de Polignac number, because 52070381 - 2¹⁴ = 52053997 is a prime.

It is a super-2 number, since 2×52070381² = 5422649154970322, which contains 22 as substring.

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 52070381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52070383) 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, 17240 + ... + 20033.

It is an arithmetic number, because the mean of its divisors is an integer number (7156608).

Almost surely, 2^52070381 is an apocalyptic number.

It is an amenable number.

52070381 is a deficient number, since it is larger than the sum of its proper divisors (5182483).

52070381 is a wasteful number, since it uses less digits than its factorization.

52070381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37411.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 52070381 is about 7215.9809450968. The cubic root of 52070381 is about 373.4194358342.

The spelling of 52070381 in words is "fifty-two million, seventy thousand, three hundred eighty-one".