445152553 has 2 divisors, whose sum is σ = 445152554. Its totient is φ = 445152552.

The previous prime is 445152473. The next prime is 445152569. The reversal of 445152553 is 355251544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276490384 + 168662169 = 16628^2 + 12987^2 .

It is a cyclic number.

It is not a de Polignac number, because 445152553 - 2⁹ = 445152041 is a prime.

It is not a weakly prime, because it can be changed into another prime (445152053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222576276 + 222576277.

It is an arithmetic number, because the mean of its divisors is an integer number (222576277).

Almost surely, 2^445152553 is an apocalyptic number.

It is an amenable number.

445152553 is a deficient number, since it is larger than the sum of its proper divisors (1).

445152553 is an equidigital number, since it uses as much as digits as its factorization.

445152553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60000, while the sum is 34.

The square root of 445152553 is about 21098.6386527662. The cubic root of 445152553 is about 763.5479042911.

The spelling of 445152553 in words is "four hundred forty-five million, one hundred fifty-two thousand, five hundred fifty-three".