252420351 has 8 divisors (see below), whose sum is σ = 337643904. Its totient is φ = 167738520.

The previous prime is 252420341. The next prime is 252420359. The reversal of 252420351 is 153024252.

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

It is not a de Polignac number, because 252420351 - 2¹¹ = 252418303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252420359) 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 7 ways as a sum of consecutive naturals, for example, 134341 + ... + 136206.

It is an arithmetic number, because the mean of its divisors is an integer number (42205488).

Almost surely, 2^252420351 is an apocalyptic number.

252420351 is a deficient number, since it is larger than the sum of its proper divisors (85223553).

252420351 is a wasteful number, since it uses less digits than its factorization.

252420351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270861.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 252420351 is about 15887.7421618051. The cubic root of 252420351 is about 631.9869667971.

The spelling of 252420351 in words is "two hundred fifty-two million, four hundred twenty thousand, three hundred fifty-one".