420523534025527 has 2 divisors, whose sum is σ = 420523534025528. Its totient is φ = 420523534025526.

The previous prime is 420523534025503. The next prime is 420523534025537. The reversal of 420523534025527 is 725520435325024.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420523534025527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420523534025537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210261767012763 + 210261767012764.

It is an arithmetic number, because the mean of its divisors is an integer number (210261767012764).

Almost surely, 2^{420523534025527} is an apocalyptic number.

420523534025527 is a deficient number, since it is larger than the sum of its proper divisors (1).

420523534025527 is an equidigital number, since it uses as much as digits as its factorization.

420523534025527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080000, while the sum is 49.

The spelling of 420523534025527 in words is "four hundred twenty trillion, five hundred twenty-three billion, five hundred thirty-four million, twenty-five thousand, five hundred twenty-seven".