425885137 has 2 divisors, whose sum is σ = 425885138. Its totient is φ = 425885136.

The previous prime is 425885113. The next prime is 425885149. The reversal of 425885137 is 731588524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 277922241 + 147962896 = 16671^2 + 12164^2 .

It is a cyclic number.

It is not a de Polignac number, because 425885137 - 2¹⁵ = 425852369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 425885093 and 425885102.

It is not a weakly prime, because it can be changed into another prime (425885197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212942568 + 212942569.

It is an arithmetic number, because the mean of its divisors is an integer number (212942569).

Almost surely, 2^425885137 is an apocalyptic number.

It is an amenable number.

425885137 is a deficient number, since it is larger than the sum of its proper divisors (1).

425885137 is an equidigital number, since it uses as much as digits as its factorization.

425885137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 268800, while the sum is 43.

The square root of 425885137 is about 20636.9846876912. The cubic root of 425885137 is about 752.3688874337.

The spelling of 425885137 in words is "four hundred twenty-five million, eight hundred eighty-five thousand, one hundred thirty-seven".