424274431 has 4 divisors (see below), whose sum is σ = 484885072. Its totient is φ = 363663792.

The previous prime is 424274429. The next prime is 424274453. The reversal of 424274431 is 134472424.

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

It is a cyclic number.

It is not a de Polignac number, because 424274431 - 2¹ = 424274429 is a prime.

It is a super-2 number, since 2×424274431² = 360017585600747522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 424274393 and 424274402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424274531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30305310 + ... + 30305323.

It is an arithmetic number, because the mean of its divisors is an integer number (121221268).

Almost surely, 2^424274431 is an apocalyptic number.

424274431 is a deficient number, since it is larger than the sum of its proper divisors (60610641).

424274431 is an equidigital number, since it uses as much as digits as its factorization.

424274431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60610640.

The product of its digits is 21504, while the sum is 31.

The square root of 424274431 is about 20597.9229778150. The cubic root of 424274431 is about 751.4191978464.

The spelling of 424274431 in words is "four hundred twenty-four million, two hundred seventy-four thousand, four hundred thirty-one".