621482 has 4 divisors (see below), whose sum is σ = 932226. Its totient is φ = 310740.

The previous prime is 621473. The next prime is 621521. The reversal of 621482 is 284126.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 606841 + 14641 = 779^2 + 121^2 .

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155369 + ... + 155372.

2⁶²¹⁴⁸² is an apocalyptic number.

621482 is a deficient number, since it is larger than the sum of its proper divisors (310744).

621482 is a wasteful number, since it uses less digits than its factorization.

621482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310743.

The product of its digits is 768, while the sum is 23.

The square root of 621482 is about 788.3412966476. The cubic root of 621482 is about 85.3380768576.

The spelling of 621482 in words is "six hundred twenty-one thousand, four hundred eighty-two".