200153449 has 2 divisors, whose sum is σ = 200153450. Its totient is φ = 200153448.

The previous prime is 200153441. The next prime is 200153477. The reversal of 200153449 is 944351002.

It is an a-pointer prime, because the next prime (200153477) can be obtained adding 200153449 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124724224 + 75429225 = 11168^2 + 8685^2 .

It is a cyclic number.

It is not a de Polignac number, because 200153449 - 2³ = 200153441 is a prime.

It is a super-2 number, since 2×200153449² = 80122806293191202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200153441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100076724 + 100076725.

It is an arithmetic number, because the mean of its divisors is an integer number (100076725).

Almost surely, 2^200153449 is an apocalyptic number.

It is an amenable number.

200153449 is a deficient number, since it is larger than the sum of its proper divisors (1).

200153449 is an equidigital number, since it uses as much as digits as its factorization.

200153449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 200153449 is about 14147.5598249309. The cubic root of 200153449 is about 584.9530719411.

The spelling of 200153449 in words is "two hundred million, one hundred fifty-three thousand, four hundred forty-nine".