42325289 has 2 divisors, whose sum is σ = 42325290. Its totient is φ = 42325288.

The previous prime is 42325273. The next prime is 42325303. The reversal of 42325289 is 98252324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34105600 + 8219689 = 5840^2 + 2867^2 .

It is a cyclic number.

It is not a de Polignac number, because 42325289 - 2⁴ = 42325273 is a prime.

It is not a weakly prime, because it can be changed into another prime (42325249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21162644 + 21162645.

It is an arithmetic number, because the mean of its divisors is an integer number (21162645).

Almost surely, 2^42325289 is an apocalyptic number.

It is an amenable number.

42325289 is a deficient number, since it is larger than the sum of its proper divisors (1).

42325289 is an equidigital number, since it uses as much as digits as its factorization.

42325289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 35.

The square root of 42325289 is about 6505.7888837558. The cubic root of 42325289 is about 348.4977491009.

The spelling of 42325289 in words is "forty-two million, three hundred twenty-five thousand, two hundred eighty-nine".