649207552 has 36 divisors (see below), whose sum is σ = 1481008816. Its totient is φ = 278231040.

The previous prime is 649207541. The next prime is 649207553. The reversal of 649207552 is 255702946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649207553) 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, 179349 + ... + 182932.

Almost surely, 2^649207552 is an apocalyptic number.

It is an amenable number.

649207552 is an abundant number, since it is smaller than the sum of its proper divisors (831801264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

649207552 is an equidigital number, since it uses as much as digits as its factorization.

649207552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362304 (or 362290 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 649207552 is about 25479.5516444069. The cubic root of 649207552 is about 865.8869368294.

The spelling of 649207552 in words is "six hundred forty-nine million, two hundred seven thousand, five hundred fifty-two".