3652021250 has 20 divisors (see below), whose sum is σ = 6845350974. Its totient is φ = 1460808000.

The previous prime is 3652021237. The next prime is 3652021267. The reversal of 3652021250 is 521202563.

It can be written as a sum of positive squares in 5 ways, for example, as 71554681 + 3580466569 = 8459^2 + 59837^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1459559 + ... + 1462058.

Almost surely, 2^3652021250 is an apocalyptic number.

3652021250 is a deficient number, since it is larger than the sum of its proper divisors (3193329724).

3652021250 is an equidigital number, since it uses as much as digits as its factorization.

3652021250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921639 (or 2921624 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 3652021250 is about 60431.9555367853. The cubic root of 3652021250 is about 1539.9658802245.

The spelling of 3652021250 in words is "three billion, six hundred fifty-two million, twenty-one thousand, two hundred fifty".