424413251 has 4 divisors (see below), whose sum is σ = 428533872. Its totient is φ = 420292632.

The previous prime is 424413229. The next prime is 424413277. The reversal of 424413251 is 152314424.

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 424413251 - 2¹⁴ = 424396867 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 424413251.

It is not an unprimeable number, because it can be changed into a prime (424412251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2060156 + ... + 2060361.

It is an arithmetic number, because the mean of its divisors is an integer number (107133468).

Almost surely, 2^424413251 is an apocalyptic number.

424413251 is a deficient number, since it is larger than the sum of its proper divisors (4120621).

424413251 is a wasteful number, since it uses less digits than its factorization.

424413251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120620.

The product of its digits is 3840, while the sum is 26.

The square root of 424413251 is about 20601.2924594551. The cubic root of 424413251 is about 751.5011421658.

Adding to 424413251 its reverse (152314424), we get a palindrome (576727675).

The spelling of 424413251 in words is "four hundred twenty-four million, four hundred thirteen thousand, two hundred fifty-one".