620352001 has 2 divisors, whose sum is σ = 620352002. Its totient is φ = 620352000.

The previous prime is 620351993. The next prime is 620352023. The reversal of 620352001 is 100253026.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320231025 + 300120976 = 17895^2 + 17324^2 .

It is a cyclic number.

It is not a de Polignac number, because 620352001 - 2³ = 620351993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 620352001.

It is not a weakly prime, because it can be changed into another prime (620352301) 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, 310176000 + 310176001.

It is an arithmetic number, because the mean of its divisors is an integer number (310176001).

Almost surely, 2^620352001 is an apocalyptic number.

It is an amenable number.

620352001 is a deficient number, since it is larger than the sum of its proper divisors (1).

620352001 is an equidigital number, since it uses as much as digits as its factorization.

620352001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 620352001 is about 24906.8665431844. The cubic root of 620352001 is about 852.8632397990.

The spelling of 620352001 in words is "six hundred twenty million, three hundred fifty-two thousand, one".