425551937 has 2 divisors, whose sum is σ = 425551938. Its totient is φ = 425551936.

The previous prime is 425551927. The next prime is 425551963. The reversal of 425551937 is 739155524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 398760961 + 26790976 = 19969^2 + 5176^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425551937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 425551894 and 425551903.

It is not a weakly prime, because it can be changed into another prime (425551927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212775968 + 212775969.

It is an arithmetic number, because the mean of its divisors is an integer number (212775969).

Almost surely, 2^425551937 is an apocalyptic number.

It is an amenable number.

425551937 is a deficient number, since it is larger than the sum of its proper divisors (1).

425551937 is an equidigital number, since it uses as much as digits as its factorization.

425551937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 41.

The square root of 425551937 is about 20628.9102232765. The cubic root of 425551937 is about 752.1726258151.

The spelling of 425551937 in words is "four hundred twenty-five million, five hundred fifty-one thousand, nine hundred thirty-seven".