425321269 has 2 divisors, whose sum is σ = 425321270. Its totient is φ = 425321268.

The previous prime is 425321263. The next prime is 425321291. The reversal of 425321269 is 962123524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328987044 + 96334225 = 18138^2 + 9815^2 .

It is a cyclic number.

It is not a de Polignac number, because 425321269 - 2³ = 425321261 is a prime.

It is a super-2 number, since 2×425321269² = 361796363727540722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425321261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212660634 + 212660635.

It is an arithmetic number, because the mean of its divisors is an integer number (212660635).

Almost surely, 2^425321269 is an apocalyptic number.

It is an amenable number.

425321269 is a deficient number, since it is larger than the sum of its proper divisors (1).

425321269 is an equidigital number, since it uses as much as digits as its factorization.

425321269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The square root of 425321269 is about 20623.3185738862. The cubic root of 425321269 is about 752.0366976253.

The spelling of 425321269 in words is "four hundred twenty-five million, three hundred twenty-one thousand, two hundred sixty-nine".