445011197 has 2 divisors, whose sum is σ = 445011198. Its totient is φ = 445011196.

The previous prime is 445011143. The next prime is 445011269. The reversal of 445011197 is 791110544.

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., 350026681 + 94984516 = 18709^2 + 9746^2 .

It is a cyclic number.

It is not a de Polignac number, because 445011197 - 2¹⁴ = 444994813 is a prime.

It is a super-3 number, since 3×445011197³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445011097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222505598 + 222505599.

It is an arithmetic number, because the mean of its divisors is an integer number (222505599).

Almost surely, 2^445011197 is an apocalyptic number.

It is an amenable number.

445011197 is a deficient number, since it is larger than the sum of its proper divisors (1).

445011197 is an equidigital number, since it uses as much as digits as its factorization.

445011197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 445011197 is about 21095.2885024121. The cubic root of 445011197 is about 763.4670754432.

The spelling of 445011197 in words is "four hundred forty-five million, eleven thousand, one hundred ninety-seven".