424125251 has 4 divisors (see below), whose sum is σ = 462682104. Its totient is φ = 385568400.

The previous prime is 424125223. The next prime is 424125287. The reversal of 424125251 is 152521424.

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 424125251 - 2⁶ = 424125187 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 424125251.

It is not an unprimeable number, because it can be changed into a prime (424121251) 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, 19278410 + ... + 19278431.

It is an arithmetic number, because the mean of its divisors is an integer number (115670526).

Almost surely, 2^424125251 is an apocalyptic number.

424125251 is a deficient number, since it is larger than the sum of its proper divisors (38556853).

424125251 is a wasteful number, since it uses less digits than its factorization.

424125251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38556852.

The product of its digits is 3200, while the sum is 26.

The square root of 424125251 is about 20594.3014205386. The cubic root of 424125251 is about 751.3311181756.

Adding to 424125251 its reverse (152521424), we get a palindrome (576646675).

It can be divided in two parts, 4241 and 25251, that added together give a palindrome (29492).

The spelling of 424125251 in words is "four hundred twenty-four million, one hundred twenty-five thousand, two hundred fifty-one".