405252675 has 36 divisors (see below), whose sum is σ = 745485520. Its totient is φ = 210288960.

The previous prime is 405252637. The next prime is 405252781. The reversal of 405252675 is 576252504.

405252675 is a `hidden beast` number, since 40 + 525 + 26 + 75 = 666.

It is not a de Polignac number, because 405252675 - 2¹¹ = 405250627 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16015 + ... + 32664.

Almost surely, 2^405252675 is an apocalyptic number.

405252675 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

405252675 is a deficient number, since it is larger than the sum of its proper divisors (340232845).

405252675 is a wasteful number, since it uses less digits than its factorization.

405252675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48732 (or 48724 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 405252675 is about 20130.8885794940. Note that the first 3 decimals coincide. The cubic root of 405252675 is about 740.0174545432.

The spelling of 405252675 in words is "four hundred five million, two hundred fifty-two thousand, six hundred seventy-five".