2069140625 has 18 divisors (see below), whose sum is σ = 2586912738. Its totient is φ = 1655000000.

The previous prime is 2069140621. The next prime is 2069140673. The reversal of 2069140625 is 5260419602.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 1026625681 + 1042514944 = 32041^2 + 32288^2 .

It is not a de Polignac number, because 2069140625 - 2² = 2069140621 is a prime.

It is a super-3 number, since 3×2069140625³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2069140621) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 387977 + ... + 393273.

Almost surely, 2^2069140625 is an apocalyptic number.

2069140625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2069140625 is a deficient number, since it is larger than the sum of its proper divisors (517772113).

2069140625 is an frugal number, since it uses more digits than its factorization.

2069140625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5337 (or 5302 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 2069140625 is about 45487.8074323219. The cubic root of 2069140625 is about 1274.2755079186.

It can be divided in two parts, 20691 and 40625, that added together give a palindrome (61316).

The spelling of 2069140625 in words is "two billion, sixty-nine million, one hundred forty thousand, six hundred twenty-five".