507813541 has 2 divisors, whose sum is σ = 507813542. Its totient is φ = 507813540.

The previous prime is 507813539. The next prime is 507813563. The reversal of 507813541 is 145318705.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 405216900 + 102596641 = 20130^2 + 10129^2 .

It is a cyclic number.

It is not a de Polignac number, because 507813541 - 2¹ = 507813539 is a prime.

Together with 507813539, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 507813497 and 507813506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (507813571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253906770 + 253906771.

It is an arithmetic number, because the mean of its divisors is an integer number (253906771).

Almost surely, 2^507813541 is an apocalyptic number.

It is an amenable number.

507813541 is a deficient number, since it is larger than the sum of its proper divisors (1).

507813541 is an equidigital number, since it uses as much as digits as its factorization.

507813541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 507813541 is about 22534.7185693543. The cubic root of 507813541 is about 797.8135825212.

The spelling of 507813541 in words is "five hundred seven million, eight hundred thirteen thousand, five hundred forty-one".