425990927 has 2 divisors, whose sum is σ = 425990928. Its totient is φ = 425990926.

The previous prime is 425990911. The next prime is 425990941. The reversal of 425990927 is 729099524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425990927 - 2⁴ = 425990911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425990977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212995463 + 212995464.

It is an arithmetic number, because the mean of its divisors is an integer number (212995464).

Almost surely, 2^425990927 is an apocalyptic number.

425990927 is a deficient number, since it is larger than the sum of its proper divisors (1).

425990927 is an equidigital number, since it uses as much as digits as its factorization.

425990927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 425990927 is about 20639.5476452368. The cubic root of 425990927 is about 752.4311784979.

The spelling of 425990927 in words is "four hundred twenty-five million, nine hundred ninety thousand, nine hundred twenty-seven".