425336389 has 2 divisors, whose sum is σ = 425336390. Its totient is φ = 425336388.

The previous prime is 425336381. The next prime is 425336441. The reversal of 425336389 is 983633524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309408100 + 115928289 = 17590^2 + 10767^2 .

It is a cyclic number.

It is not a de Polignac number, because 425336389 - 2³ = 425336381 is a prime.

It is a super-2 number, since 2×425336389² = 361822087615118642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425336381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212668194 + 212668195.

It is an arithmetic number, because the mean of its divisors is an integer number (212668195).

Almost surely, 2^425336389 is an apocalyptic number.

It is an amenable number.

425336389 is a deficient number, since it is larger than the sum of its proper divisors (1).

425336389 is an equidigital number, since it uses as much as digits as its factorization.

425336389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 43.

The square root of 425336389 is about 20623.6851459675. The cubic root of 425336389 is about 752.0456090538.

The spelling of 425336389 in words is "four hundred twenty-five million, three hundred thirty-six thousand, three hundred eighty-nine".