620452601 has 2 divisors, whose sum is σ = 620452602. Its totient is φ = 620452600.

The previous prime is 620452583. The next prime is 620452607. The reversal of 620452601 is 106254026.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 547794025 + 72658576 = 23405^2 + 8524^2 .

It is a cyclic number.

It is not a de Polignac number, because 620452601 - 2⁶ = 620452537 is a prime.

It is a super-2 number, since 2×620452601² = 769922860175330402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (620452607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310226300 + 310226301.

It is an arithmetic number, because the mean of its divisors is an integer number (310226301).

Almost surely, 2^620452601 is an apocalyptic number.

It is an amenable number.

620452601 is a deficient number, since it is larger than the sum of its proper divisors (1).

620452601 is an equidigital number, since it uses as much as digits as its factorization.

620452601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 620452601 is about 24908.8859847244. The cubic root of 620452601 is about 852.9093391127.

It can be divided in two parts, 62045 and 2601, that added together give a palindrome (64646).

The spelling of 620452601 in words is "six hundred twenty million, four hundred fifty-two thousand, six hundred one".