515941 has 2 divisors, whose sum is σ = 515942. Its totient is φ = 515940.

The previous prime is 515929. The next prime is 515951. The reversal of 515941 is 149515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 390625 + 125316 = 625^2 + 354^2 .

It is a cyclic number.

It is not a de Polignac number, because 515941 - 2⁷ = 515813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (515951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257970 + 257971.

It is an arithmetic number, because the mean of its divisors is an integer number (257971).

2⁵¹⁵⁹⁴¹ is an apocalyptic number.

It is an amenable number.

515941 is a deficient number, since it is larger than the sum of its proper divisors (1).

515941 is an equidigital number, since it uses as much as digits as its factorization.

515941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900, while the sum is 25.

The square root of 515941 is about 718.2903312728. The cubic root of 515941 is about 80.2047360093.

The spelling of 515941 in words is "five hundred fifteen thousand, nine hundred forty-one".