2009562025 has 6 divisors (see below), whose sum is σ = 2491856942. Its totient is φ = 1607649600.

The previous prime is 2009562017. The next prime is 2009562029. The reversal of 2009562025 is 5202659002.

It can be written as a sum of positive squares in 3 ways, for example, as 36336784 + 1973225241 = 6028^2 + 44421^2 .

It is not a de Polignac number, because 2009562025 - 2³ = 2009562017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2009562029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40191216 + ... + 40191265.

Almost surely, 2^2009562025 is an apocalyptic number.

2009562025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2009562025 is a deficient number, since it is larger than the sum of its proper divisors (482294917).

2009562025 is an equidigital number, since it uses as much as digits as its factorization.

2009562025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80382491 (or 80382486 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2009562025 is about 44828.1387635043. The cubic root of 2009562025 is about 1261.9257578660.

The spelling of 2009562025 in words is "two billion, nine million, five hundred sixty-two thousand, twenty-five".