511254349 has 2 divisors, whose sum is σ = 511254350. Its totient is φ = 511254348.

The previous prime is 511254319. The next prime is 511254383. The reversal of 511254349 is 943452115.

It is an a-pointer prime, because the next prime (511254383) can be obtained adding 511254349 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 510986025 + 268324 = 22605^2 + 518^2 .

It is a cyclic number.

It is not a de Polignac number, because 511254349 - 2¹³ = 511246157 is a prime.

It is a super-3 number, since 3×511254349³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (511254319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255627174 + 255627175.

It is an arithmetic number, because the mean of its divisors is an integer number (255627175).

Almost surely, 2^511254349 is an apocalyptic number.

It is an amenable number.

511254349 is a deficient number, since it is larger than the sum of its proper divisors (1).

511254349 is an equidigital number, since it uses as much as digits as its factorization.

511254349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 34.

The square root of 511254349 is about 22610.9342796798. The cubic root of 511254349 is about 799.6114514222.

It can be divided in two parts, 51 and 1254349, that added together give a square (1254400 = 1120²).

The spelling of 511254349 in words is "five hundred eleven million, two hundred fifty-four thousand, three hundred forty-nine".