621263342 has 16 divisors (see below), whose sum is σ = 1067770080. Its totient is φ = 265568928.

The previous prime is 621263341. The next prime is 621263359. The reversal of 621263342 is 243362126.

It is a super-2 number, since 2×621263342² = 771936280226017928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621263341) 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, 51593 + ... + 62484.

It is an arithmetic number, because the mean of its divisors is an integer number (66735630).

Almost surely, 2^621263342 is an apocalyptic number.

621263342 is a deficient number, since it is larger than the sum of its proper divisors (446506738).

621263342 is a wasteful number, since it uses less digits than its factorization.

621263342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114475.

The product of its digits is 10368, while the sum is 29.

The square root of 621263342 is about 24925.1548039325. The cubic root of 621263342 is about 853.2806742746.

The spelling of 621263342 in words is "six hundred twenty-one million, two hundred sixty-three thousand, three hundred forty-two".