536523409 has 2 divisors, whose sum is σ = 536523410. Its totient is φ = 536523408.

The previous prime is 536523319. The next prime is 536523431. The reversal of 536523409 is 904325635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 354192400 + 182331009 = 18820^2 + 13503^2 .

It is a cyclic number.

It is not a de Polignac number, because 536523409 - 2¹¹ = 536521361 is a prime.

It is not a weakly prime, because it can be changed into another prime (536523439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268261704 + 268261705.

It is an arithmetic number, because the mean of its divisors is an integer number (268261705).

Almost surely, 2^536523409 is an apocalyptic number.

It is an amenable number.

536523409 is a deficient number, since it is larger than the sum of its proper divisors (1).

536523409 is an equidigital number, since it uses as much as digits as its factorization.

536523409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 536523409 is about 23162.9749600521. The cubic root of 536523409 is about 812.5739433769.

The spelling of 536523409 in words is "five hundred thirty-six million, five hundred twenty-three thousand, four hundred nine".