531515041 has 2 divisors, whose sum is σ = 531515042. Its totient is φ = 531515040.

The previous prime is 531514969. The next prime is 531515051. The reversal of 531515041 is 140515135.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 506475025 + 25040016 = 22505^2 + 5004^2 .

It is a cyclic number.

It is not a de Polignac number, because 531515041 - 2⁷ = 531514913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 531514997 and 531515015.

It is not a weakly prime, because it can be changed into another prime (531515051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265757520 + 265757521.

It is an arithmetic number, because the mean of its divisors is an integer number (265757521).

Almost surely, 2^531515041 is an apocalyptic number.

It is an amenable number.

531515041 is a deficient number, since it is larger than the sum of its proper divisors (1).

531515041 is an equidigital number, since it uses as much as digits as its factorization.

531515041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 531515041 is about 23054.6099728449. The cubic root of 531515041 is about 810.0376149783.

The spelling of 531515041 in words is "five hundred thirty-one million, five hundred fifteen thousand, forty-one".