405025066 has 8 divisors (see below), whose sum is σ = 607920480. Its totient is φ = 202384908.

The previous prime is 405025063. The next prime is 405025069. The reversal of 405025066 is 660520504.

It is an interprime number because it is at equal distance from previous prime (405025063) and next prime (405025069).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (405025063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59796 + ... + 66223.

It is an arithmetic number, because the mean of its divisors is an integer number (75990060).

Almost surely, 2^405025066 is an apocalyptic number.

405025066 is a deficient number, since it is larger than the sum of its proper divisors (202895414).

405025066 is a wasteful number, since it uses less digits than its factorization.

405025066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127628.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 405025066 is about 20125.2345576393. The cubic root of 405025066 is about 739.8788857057.

The spelling of 405025066 in words is "four hundred five million, twenty-five thousand, sixty-six".