52070399 has 4 divisors (see below), whose sum is σ = 53865960. Its totient is φ = 50274840.

The previous prime is 52070383. The next prime is 52070423. The reversal of 52070399 is 99307025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52070399 - 2⁴ = 52070383 is a prime.

It is a super-2 number, since 2×52070399² = 5422652904038402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52070309) 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, 897737 + ... + 897794.

It is an arithmetic number, because the mean of its divisors is an integer number (13466490).

Almost surely, 2^52070399 is an apocalyptic number.

52070399 is a deficient number, since it is larger than the sum of its proper divisors (1795561).

52070399 is a wasteful number, since it uses less digits than its factorization.

52070399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795560.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 52070399 is about 7215.9821923284. The cubic root of 52070399 is about 373.4194788629.

The spelling of 52070399 in words is "fifty-two million, seventy thousand, three hundred ninety-nine".