662855249 has 4 divisors (see below), whose sum is σ = 757548864. Its totient is φ = 568161636.

The previous prime is 662855227. The next prime is 662855251. The reversal of 662855249 is 942558266.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 662855249 - 2¹⁶ = 662789713 is a prime.

It is a super-2 number, since 2×662855249² = 878754162253704002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662855749) 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, 47346797 + ... + 47346810.

It is an arithmetic number, because the mean of its divisors is an integer number (189387216).

Almost surely, 2^662855249 is an apocalyptic number.

It is an amenable number.

662855249 is a deficient number, since it is larger than the sum of its proper divisors (94693615).

662855249 is an equidigital number, since it uses as much as digits as its factorization.

662855249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94693614.

The product of its digits is 1036800, while the sum is 47.

The square root of 662855249 is about 25745.9753942242. The cubic root of 662855249 is about 871.9124920077.

The spelling of 662855249 in words is "six hundred sixty-two million, eight hundred fifty-five thousand, two hundred forty-nine".