425219231 has 2 divisors, whose sum is σ = 425219232. Its totient is φ = 425219230.

The previous prime is 425219173. The next prime is 425219237. The reversal of 425219231 is 132912524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425219231 - 2⁶ = 425219167 is a prime.

It is a super-2 number, since 2×425219231² = 361622788824462722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 425219194 and 425219203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425219237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212609615 + 212609616.

It is an arithmetic number, because the mean of its divisors is an integer number (212609616).

Almost surely, 2^425219231 is an apocalyptic number.

425219231 is a deficient number, since it is larger than the sum of its proper divisors (1).

425219231 is an equidigital number, since it uses as much as digits as its factorization.

425219231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 425219231 is about 20620.8445753320. The cubic root of 425219231 is about 751.9765529273.

The spelling of 425219231 in words is "four hundred twenty-five million, two hundred nineteen thousand, two hundred thirty-one".