421364252 has 12 divisors (see below), whose sum is σ = 742337400. Its totient is φ = 209267856.

The previous prime is 421364233. The next prime is 421364269. The reversal of 421364252 is 252463124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352898 + ... + 354089.

It is an arithmetic number, because the mean of its divisors is an integer number (61861450).

Almost surely, 2^421364252 is an apocalyptic number.

It is an amenable number.

421364252 is a deficient number, since it is larger than the sum of its proper divisors (320973148).

421364252 is a wasteful number, since it uses less digits than its factorization.

421364252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707140 (or 707138 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 421364252 is about 20527.1588876785. The cubic root of 421364252 is about 749.6972122944.

The spelling of 421364252 in words is "four hundred twenty-one million, three hundred sixty-four thousand, two hundred fifty-two".