407652081 has 8 divisors (see below), whose sum is σ = 552446784. Its totient is φ = 267312720.

The previous prime is 407652031. The next prime is 407652107. The reversal of 407652081 is 180256704.

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

It is a de Polignac number, because none of the positive numbers 2^k-407652081 is a prime.

It is a super-2 number, since 2×407652081² = 332360438287261122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (407652031) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1113621 + ... + 1113986.

It is an arithmetic number, because the mean of its divisors is an integer number (69055848).

Almost surely, 2^407652081 is an apocalyptic number.

It is an amenable number.

407652081 is a deficient number, since it is larger than the sum of its proper divisors (144794703).

407652081 is a wasteful number, since it uses less digits than its factorization.

407652081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227671.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 407652081 is about 20190.3957613515. The cubic root of 407652081 is about 741.4750714846.

The spelling of 407652081 in words is "four hundred seven million, six hundred fifty-two thousand, eighty-one".