407125643 has 2 divisors, whose sum is σ = 407125644. Its totient is φ = 407125642.

The previous prime is 407125637. The next prime is 407125657. The reversal of 407125643 is 346521704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 407125643 - 2¹⁶ = 407060107 is a prime.

It is not a weakly prime, because it can be changed into another prime (407125603) 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 as a sum of consecutive naturals, namely, 203562821 + 203562822.

It is an arithmetic number, because the mean of its divisors is an integer number (203562822).

Almost surely, 2^407125643 is an apocalyptic number.

407125643 is a deficient number, since it is larger than the sum of its proper divisors (1).

407125643 is an equidigital number, since it uses as much as digits as its factorization.

407125643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 407125643 is about 20177.3547076915. The cubic root of 407125643 is about 741.1557560520.

The spelling of 407125643 in words is "four hundred seven million, one hundred twenty-five thousand, six hundred forty-three".