223251425251 has 4 divisors (see below), whose sum is σ = 225461835504. Its totient is φ = 221041015000.

The previous prime is 223251425227. The next prime is 223251425263. The reversal of 223251425251 is 152524152322.

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 223251425251 - 2⁵ = 223251425219 is a prime.

It is a super-3 number, since 3×223251425251³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223251425351) 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, 1105204975 + ... + 1105205176.

It is an arithmetic number, because the mean of its divisors is an integer number (56365458876).

Almost surely, 2^223251425251 is an apocalyptic number.

223251425251 is a deficient number, since it is larger than the sum of its proper divisors (2210410253).

223251425251 is a wasteful number, since it uses less digits than its factorization.

223251425251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210410252.

The product of its digits is 48000, while the sum is 34.

Adding to 223251425251 its reverse (152524152322), we get a palindrome (375775577573).

The spelling of 223251425251 in words is "two hundred twenty-three billion, two hundred fifty-one million, four hundred twenty-five thousand, two hundred fifty-one".