252120471 has 4 divisors (see below), whose sum is σ = 336160632. Its totient is φ = 168080312.

The previous prime is 252120469. The next prime is 252120493. The reversal of 252120471 is 174021252.

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 252120471 - 2¹ = 252120469 is a prime.

It is a super-3 number, since 3×252120471³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252120371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42020076 + ... + 42020081.

It is an arithmetic number, because the mean of its divisors is an integer number (84040158).

Almost surely, 2^252120471 is an apocalyptic number.

252120471 is a deficient number, since it is larger than the sum of its proper divisors (84040161).

252120471 is an equidigital number, since it uses as much as digits as its factorization.

252120471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84040160.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 252120471 is about 15878.3018928348. The cubic root of 252120471 is about 631.7365969259.

The spelling of 252120471 in words is "two hundred fifty-two million, one hundred twenty thousand, four hundred seventy-one".