425688253 has 2 divisors, whose sum is σ = 425688254. Its totient is φ = 425688252.

The previous prime is 425688233. The next prime is 425688323. The reversal of 425688253 is 352886524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 336612409 + 89075844 = 18347^2 + 9438^2 .

It is a cyclic number.

It is not a de Polignac number, because 425688253 - 2⁹ = 425687741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425688233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212844126 + 212844127.

It is an arithmetic number, because the mean of its divisors is an integer number (212844127).

Almost surely, 2^425688253 is an apocalyptic number.

It is an amenable number.

425688253 is a deficient number, since it is larger than the sum of its proper divisors (1).

425688253 is an equidigital number, since it uses as much as digits as its factorization.

425688253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 460800, while the sum is 43.

The square root of 425688253 is about 20632.2139626362. The cubic root of 425688253 is about 752.2529311070.

The spelling of 425688253 in words is "four hundred twenty-five million, six hundred eighty-eight thousand, two hundred fifty-three".