425090969 has 2 divisors, whose sum is σ = 425090970. Its totient is φ = 425090968.

The previous prime is 425090959. The next prime is 425091041. The reversal of 425090969 is 969090524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 393506569 + 31584400 = 19837^2 + 5620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425090969 is a prime.

It is a super-2 number, since 2×425090969² = 361404663850717922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (425090909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212545484 + 212545485.

It is an arithmetic number, because the mean of its divisors is an integer number (212545485).

Almost surely, 2^425090969 is an apocalyptic number.

It is an amenable number.

425090969 is a deficient number, since it is larger than the sum of its proper divisors (1).

425090969 is an equidigital number, since it uses as much as digits as its factorization.

425090969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 425090969 is about 20617.7343323654. The cubic root of 425090969 is about 751.9009372535.

The spelling of 425090969 in words is "four hundred twenty-five million, ninety thousand, nine hundred sixty-nine".