620954233 has 2 divisors, whose sum is σ = 620954234. Its totient is φ = 620954232.

The previous prime is 620954203. The next prime is 620954237. The reversal of 620954233 is 332459026.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 620856889 + 97344 = 24917^2 + 312^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620954233 is a prime.

It is equal to p_32360569 and since 620954233 and 32360569 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (620954237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310477116 + 310477117.

It is an arithmetic number, because the mean of its divisors is an integer number (310477117).

Almost surely, 2^620954233 is an apocalyptic number.

It is an amenable number.

620954233 is a deficient number, since it is larger than the sum of its proper divisors (1).

620954233 is an equidigital number, since it uses as much as digits as its factorization.

620954233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 620954233 is about 24918.9532886115. The cubic root of 620954233 is about 853.1391344615.

The spelling of 620954233 in words is "six hundred twenty million, nine hundred fifty-four thousand, two hundred thirty-three".