52142373 has 30 divisors (see below), whose sum is σ = 79647282. Its totient is φ = 33994080.

The previous prime is 52142353. The next prime is 52142413. The reversal of 52142373 is 37324125.

It can be written as a sum of positive squares in 3 ways, for example, as 42849 + 52099524 = 207^2 + 7218^2 .

It is not a de Polignac number, because 52142373 - 2⁶ = 52142309 is a prime.

It is a super-2 number, since 2×52142373² = 5437654124142258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52142333) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 301315 + ... + 301487.

Almost surely, 2^52142373 is an apocalyptic number.

It is an amenable number.

52142373 is a deficient number, since it is larger than the sum of its proper divisors (27504909).

52142373 is an equidigital number, since it uses as much as digits as its factorization.

52142373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 237 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 52142373 is about 7220.9675944433. The cubic root of 52142373 is about 373.5914519371.

Adding to 52142373 its reverse (37324125), we get a palindrome (89466498).

The spelling of 52142373 in words is "fifty-two million, one hundred forty-two thousand, three hundred seventy-three".