425356961 has 2 divisors, whose sum is σ = 425356962. Its totient is φ = 425356960.

The previous prime is 425356907. The next prime is 425356979. The reversal of 425356961 is 169653524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 314707600 + 110649361 = 17740^2 + 10519^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425356961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (425356991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212678480 + 212678481.

It is an arithmetic number, because the mean of its divisors is an integer number (212678481).

Almost surely, 2^425356961 is an apocalyptic number.

It is an amenable number.

425356961 is a deficient number, since it is larger than the sum of its proper divisors (1).

425356961 is an equidigital number, since it uses as much as digits as its factorization.

425356961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 41.

The square root of 425356961 is about 20624.1838868839. The cubic root of 425356961 is about 752.0577334438.

The spelling of 425356961 in words is "four hundred twenty-five million, three hundred fifty-six thousand, nine hundred sixty-one".