620160451 has 2 divisors, whose sum is σ = 620160452. Its totient is φ = 620160450.

The previous prime is 620160433. The next prime is 620160461. The reversal of 620160451 is 154061026.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620160451 is a prime.

It is not a weakly prime, because it can be changed into another prime (620160421) 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, 310080225 + 310080226.

It is an arithmetic number, because the mean of its divisors is an integer number (310080226).

Almost surely, 2^620160451 is an apocalyptic number.

620160451 is a deficient number, since it is larger than the sum of its proper divisors (1).

620160451 is an equidigital number, since it uses as much as digits as its factorization.

620160451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 620160451 is about 24903.0209211654. The cubic root of 620160451 is about 852.7754494419.

The spelling of 620160451 in words is "six hundred twenty million, one hundred sixty thousand, four hundred fifty-one".