252421014 has 8 divisors (see below), whose sum is σ = 504842040. Its totient is φ = 84140336.

The previous prime is 252421007. The next prime is 252421019. The reversal of 252421014 is 410124252.

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

252421014 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252421019) 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, 21035079 + ... + 21035090.

It is an arithmetic number, because the mean of its divisors is an integer number (63105255).

Almost surely, 2^252421014 is an apocalyptic number.

252421014 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252421014 is a wasteful number, since it uses less digits than its factorization.

252421014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42070174.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 252421014 is about 15887.7630269337. The cubic root of 252421014 is about 631.9875201162.

Adding to 252421014 its reverse (410124252), we get a palindrome (662545266).

The spelling of 252421014 in words is "two hundred fifty-two million, four hundred twenty-one thousand, fourteen".