425253971 has 2 divisors, whose sum is σ = 425253972. Its totient is φ = 425253970.

The previous prime is 425253949. The next prime is 425254019. The reversal of 425253971 is 179352524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425253971 - 2¹⁴ = 425237587 is a prime.

It is a Chen prime.

It is equal to p_22609289 and since 425253971 and 22609289 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (425253931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212626985 + 212626986.

It is an arithmetic number, because the mean of its divisors is an integer number (212626986).

Almost surely, 2^425253971 is an apocalyptic number.

425253971 is a deficient number, since it is larger than the sum of its proper divisors (1).

425253971 is an equidigital number, since it uses as much as digits as its factorization.

425253971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 38.

The square root of 425253971 is about 20621.6869096590. The cubic root of 425253971 is about 751.9970309553.

The spelling of 425253971 in words is "four hundred twenty-five million, two hundred fifty-three thousand, nine hundred seventy-one".