511112449 has 2 divisors, whose sum is σ = 511112450. Its totient is φ = 511112448.

The previous prime is 511112387. The next prime is 511112461. The reversal of 511112449 is 944211115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 436601025 + 74511424 = 20895^2 + 8632^2 .

It is a cyclic number.

It is not a de Polignac number, because 511112449 - 2⁷ = 511112321 is a prime.

It is a super-2 number, since 2×511112449² = 522471871045555202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (511112479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255556224 + 255556225.

It is an arithmetic number, because the mean of its divisors is an integer number (255556225).

Almost surely, 2^511112449 is an apocalyptic number.

It is an amenable number.

511112449 is a deficient number, since it is larger than the sum of its proper divisors (1).

511112449 is an equidigital number, since it uses as much as digits as its factorization.

511112449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 28.

The square root of 511112449 is about 22607.7961995414. The cubic root of 511112449 is about 799.5374664841.

The spelling of 511112449 in words is "five hundred eleven million, one hundred twelve thousand, four hundred forty-nine".