425353523251 has 2 divisors, whose sum is σ = 425353523252. Its totient is φ = 425353523250.

The previous prime is 425353523249. The next prime is 425353523263. The reversal of 425353523251 is 152325353524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425353523251 - 2¹ = 425353523249 is a prime.

Together with 425353523249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (425353523851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212676761625 + 212676761626.

It is an arithmetic number, because the mean of its divisors is an integer number (212676761626).

Almost surely, 2^425353523251 is an apocalyptic number.

425353523251 is a deficient number, since it is larger than the sum of its proper divisors (1).

425353523251 is an equidigital number, since it uses as much as digits as its factorization.

425353523251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540000, while the sum is 40.

Adding to 425353523251 its reverse (152325353524), we get a palindrome (577678876775).

The spelling of 425353523251 in words is "four hundred twenty-five billion, three hundred fifty-three million, five hundred twenty-three thousand, two hundred fifty-one".