421161259 has 8 divisors (see below), whose sum is σ = 423567360. Its totient is φ = 418761000.

The previous prime is 421161253. The next prime is 421161271. The reversal of 421161259 is 952161124.

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

It is a cyclic number.

It is not a de Polignac number, because 421161259 - 2⁷ = 421161131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 421161259.

It is not an unprimeable number, because it can be changed into a prime (421161253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274324 + ... + 275854.

It is an arithmetic number, because the mean of its divisors is an integer number (52945920).

Almost surely, 2^421161259 is an apocalyptic number.

421161259 is a deficient number, since it is larger than the sum of its proper divisors (2406101).

421161259 is a wasteful number, since it uses less digits than its factorization.

421161259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921.

The product of its digits is 4320, while the sum is 31.

The square root of 421161259 is about 20522.2137938381. The cubic root of 421161259 is about 749.5768036217.

The spelling of 421161259 in words is "four hundred twenty-one million, one hundred sixty-one thousand, two hundred fifty-nine".