425420523503 has 2 divisors, whose sum is σ = 425420523504. Its totient is φ = 425420523502.

The previous prime is 425420523487. The next prime is 425420523529. The reversal of 425420523503 is 305325024524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425420523503 - 2⁴ = 425420523487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425420523103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212710261751 + 212710261752.

It is an arithmetic number, because the mean of its divisors is an integer number (212710261752).

Almost surely, 2^425420523503 is an apocalyptic number.

425420523503 is a deficient number, since it is larger than the sum of its proper divisors (1).

425420523503 is an equidigital number, since it uses as much as digits as its factorization.

425420523503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 35.

The spelling of 425420523503 in words is "four hundred twenty-five billion, four hundred twenty million, five hundred twenty-three thousand, five hundred three".