620307463 has 2 divisors, whose sum is σ = 620307464. Its totient is φ = 620307462.

The previous prime is 620307449. The next prime is 620307473. The reversal of 620307463 is 364703026.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620307463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620307403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310153731 + 310153732.

It is an arithmetic number, because the mean of its divisors is an integer number (310153732).

Almost surely, 2^620307463 is an apocalyptic number.

620307463 is a deficient number, since it is larger than the sum of its proper divisors (1).

620307463 is an equidigital number, since it uses as much as digits as its factorization.

620307463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 620307463 is about 24905.9724363455. The cubic root of 620307463 is about 852.8428289505.

The spelling of 620307463 in words is "six hundred twenty million, three hundred seven thousand, four hundred sixty-three".