662428001 has 4 divisors (see below), whose sum is σ = 701394372. Its totient is φ = 623461632.

The previous prime is 662427937. The next prime is 662428007. The reversal of 662428001 is 100824266.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 365727376 + 296700625 = 19124^2 + 17225^2 .

It is a cyclic number.

It is not a de Polignac number, because 662428001 - 2⁶ = 662427937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662428007) 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, 19483160 + ... + 19483193.

It is an arithmetic number, because the mean of its divisors is an integer number (175348593).

Almost surely, 2^662428001 is an apocalyptic number.

It is an amenable number.

662428001 is a deficient number, since it is larger than the sum of its proper divisors (38966371).

662428001 is a wasteful number, since it uses less digits than its factorization.

662428001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38966370.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 662428001 is about 25737.6766822493. The cubic root of 662428001 is about 871.7251193070.

The spelling of 662428001 in words is "six hundred sixty-two million, four hundred twenty-eight thousand, one".