425066251 has 4 divisors (see below), whose sum is σ = 426407472. Its totient is φ = 423725032.

The previous prime is 425066227. The next prime is 425066263. The reversal of 425066251 is 152660524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 425066251 - 2⁵ = 425066219 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425066221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670135 + ... + 670768.

It is an arithmetic number, because the mean of its divisors is an integer number (106601868).

Almost surely, 2^425066251 is an apocalyptic number.

425066251 is a deficient number, since it is larger than the sum of its proper divisors (1341221).

425066251 is a wasteful number, since it uses less digits than its factorization.

425066251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341220.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 425066251 is about 20617.1348882428. The cubic root of 425066251 is about 751.8863632376.

The spelling of 425066251 in words is "four hundred twenty-five million, sixty-six thousand, two hundred fifty-one".