425132789 has 2 divisors, whose sum is σ = 425132790. Its totient is φ = 425132788.

The previous prime is 425132767. The next prime is 425132803. The reversal of 425132789 is 987231524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 423124900 + 2007889 = 20570^2 + 1417^2 .

It is a cyclic number.

It is not a de Polignac number, because 425132789 - 2²⁴ = 408355573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425132089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212566394 + 212566395.

It is an arithmetic number, because the mean of its divisors is an integer number (212566395).

Almost surely, 2^425132789 is an apocalyptic number.

It is an amenable number.

425132789 is a deficient number, since it is larger than the sum of its proper divisors (1).

425132789 is an equidigital number, since it uses as much as digits as its factorization.

425132789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 425132789 is about 20618.7484828735. The cubic root of 425132789 is about 751.9255935180.

The spelling of 425132789 in words is "four hundred twenty-five million, one hundred thirty-two thousand, seven hundred eighty-nine".