511277413 has 2 divisors, whose sum is σ = 511277414. Its totient is φ = 511277412.

The previous prime is 511277407. The next prime is 511277423. The reversal of 511277413 is 314772115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 508186849 + 3090564 = 22543^2 + 1758^2 .

It is a cyclic number.

It is not a de Polignac number, because 511277413 - 2⁵ = 511277381 is a prime.

It is a super-2 number, since 2×511277413² = 522809186087945138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (511277423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255638706 + 255638707.

It is an arithmetic number, because the mean of its divisors is an integer number (255638707).

Almost surely, 2^511277413 is an apocalyptic number.

It is an amenable number.

511277413 is a deficient number, since it is larger than the sum of its proper divisors (1).

511277413 is an equidigital number, since it uses as much as digits as its factorization.

511277413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5880, while the sum is 31.

The square root of 511277413 is about 22611.4442926585. Note that the first 3 decimals coincide. The cubic root of 511277413 is about 799.6234754185.

The spelling of 511277413 in words is "five hundred eleven million, two hundred seventy-seven thousand, four hundred thirteen".