445214501 has 2 divisors, whose sum is σ = 445214502. Its totient is φ = 445214500.

The previous prime is 445214491. The next prime is 445214507. The reversal of 445214501 is 105412544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 437897476 + 7317025 = 20926^2 + 2705^2 .

It is a cyclic number.

It is not a de Polignac number, because 445214501 - 2⁶ = 445214437 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445214507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222607250 + 222607251.

It is an arithmetic number, because the mean of its divisors is an integer number (222607251).

Almost surely, 2^445214501 is an apocalyptic number.

It is an amenable number.

445214501 is a deficient number, since it is larger than the sum of its proper divisors (1).

445214501 is an equidigital number, since it uses as much as digits as its factorization.

445214501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 445214501 is about 21100.1066584982. The cubic root of 445214501 is about 763.5833214167.

The spelling of 445214501 in words is "four hundred forty-five million, two hundred fourteen thousand, five hundred one".