405061523 has 2 divisors, whose sum is σ = 405061524. Its totient is φ = 405061522.

The previous prime is 405061477. The next prime is 405061537. The reversal of 405061523 is 325160504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 405061523 - 2²⁸ = 136626067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 405061492 and 405061501.

It is not a weakly prime, because it can be changed into another prime (405061543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202530761 + 202530762.

It is an arithmetic number, because the mean of its divisors is an integer number (202530762).

Almost surely, 2^405061523 is an apocalyptic number.

405061523 is a deficient number, since it is larger than the sum of its proper divisors (1).

405061523 is an equidigital number, since it uses as much as digits as its factorization.

405061523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 405061523 is about 20126.1402906767. The cubic root of 405061523 is about 739.9010842950.

The spelling of 405061523 in words is "four hundred five million, sixty-one thousand, five hundred twenty-three".