662548407 has 4 divisors (see below), whose sum is σ = 883397880. Its totient is φ = 441698936.

The previous prime is 662548379. The next prime is 662548409. The reversal of 662548407 is 704845266.

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

It is a cyclic number.

It is not a de Polignac number, because 662548407 - 2⁷ = 662548279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662548409) 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, 110424732 + ... + 110424737.

It is an arithmetic number, because the mean of its divisors is an integer number (220849470).

Almost surely, 2^662548407 is an apocalyptic number.

662548407 is a deficient number, since it is larger than the sum of its proper divisors (220849473).

662548407 is a wasteful number, since it uses less digits than its factorization.

662548407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220849472.

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 662548407 is about 25740.0156759859. The cubic root of 662548407 is about 871.7779323804. Note that the first 3 decimals are identical.

The spelling of 662548407 in words is "six hundred sixty-two million, five hundred forty-eight thousand, four hundred seven".