425783297 has 2 divisors, whose sum is σ = 425783298. Its totient is φ = 425783296.

The previous prime is 425783273. The next prime is 425783311. The reversal of 425783297 is 792387524.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274763776 + 151019521 = 16576^2 + 12289^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425783297 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (425783257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212891648 + 212891649.

It is an arithmetic number, because the mean of its divisors is an integer number (212891649).

Almost surely, 2^425783297 is an apocalyptic number.

It is an amenable number.

425783297 is a deficient number, since it is larger than the sum of its proper divisors (1).

425783297 is an equidigital number, since it uses as much as digits as its factorization.

425783297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 47.

The square root of 425783297 is about 20634.5171254381. The cubic root of 425783297 is about 752.3089124553.

The spelling of 425783297 in words is "four hundred twenty-five million, seven hundred eighty-three thousand, two hundred ninety-seven".