621241275 has 12 divisors (see below), whose sum is σ = 1027119032. Its totient is φ = 331328640.

The previous prime is 621241241. The next prime is 621241301. The reversal of 621241275 is 572142126.

It is not a de Polignac number, because 621241275 - 2¹⁰ = 621240251 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4141534 + ... + 4141683.

Almost surely, 2^621241275 is an apocalyptic number.

621241275 is a deficient number, since it is larger than the sum of its proper divisors (405877757).

621241275 is a wasteful number, since it uses less digits than its factorization.

621241275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8283230 (or 8283225 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 621241275 is about 24924.7121347469. The cubic root of 621241275 is about 853.2705714372.

The spelling of 621241275 in words is "six hundred twenty-one million, two hundred forty-one thousand, two hundred seventy-five".