425123473 has 2 divisors, whose sum is σ = 425123474. Its totient is φ = 425123472.

The previous prime is 425123431. The next prime is 425123551. The reversal of 425123473 is 374321524.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308634624 + 116488849 = 17568^2 + 10793^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425123473 is a prime.

It is not a weakly prime, because it can be changed into another prime (425123773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212561736 + 212561737.

It is an arithmetic number, because the mean of its divisors is an integer number (212561737).

Almost surely, 2^425123473 is an apocalyptic number.

It is an amenable number.

425123473 is a deficient number, since it is larger than the sum of its proper divisors (1).

425123473 is an equidigital number, since it uses as much as digits as its factorization.

425123473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 31.

The square root of 425123473 is about 20618.5225707372. The cubic root of 425123473 is about 751.9201011243.

Adding to 425123473 its reverse (374321524), we get a palindrome (799444997).

The spelling of 425123473 in words is "four hundred twenty-five million, one hundred twenty-three thousand, four hundred seventy-three".