1420925563 has 2 divisors, whose sum is σ = 1420925564. Its totient is φ = 1420925562.

The previous prime is 1420925483. The next prime is 1420925581. The reversal of 1420925563 is 3655290241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1420925563 - 2¹³ = 1420917371 is a prime.

It is not a weakly prime, because it can be changed into another prime (1420925663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710462781 + 710462782.

It is an arithmetic number, because the mean of its divisors is an integer number (710462782).

Almost surely, 2^1420925563 is an apocalyptic number.

1420925563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420925563 is an equidigital number, since it uses as much as digits as its factorization.

1420925563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 1420925563 is about 37695.1663081621. The cubic root of 1420925563 is about 1124.2350191703.

The spelling of 1420925563 in words is "one billion, four hundred twenty million, nine hundred twenty-five thousand, five hundred sixty-three".