2026921625 has 8 divisors (see below), whose sum is σ = 2529598344. Its totient is φ = 1621537200.

The previous prime is 2026921613. The next prime is 2026921627. The reversal of 2026921625 is 5261296202.

It can be written as a sum of positive squares in 4 ways, for example, as 198161929 + 1828759696 = 14077^2 + 42764^2 .

It is not a de Polignac number, because 2026921625 - 2¹⁰ = 2026920601 is a prime.

It is a super-2 number, since 2×2026921625² = 8216822547785281250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2026921627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8107562 + ... + 8107811.

It is an arithmetic number, because the mean of its divisors is an integer number (316199793).

Almost surely, 2^2026921625 is an apocalyptic number.

2026921625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2026921625 is a deficient number, since it is larger than the sum of its proper divisors (502676719).

2026921625 is an equidigital number, since it uses as much as digits as its factorization.

2026921625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16215388 (or 16215378 counting only the distinct ones).

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

The square root of 2026921625 is about 45021.3463259374. The cubic root of 2026921625 is about 1265.5490594073.

The spelling of 2026921625 in words is "two billion, twenty-six million, nine hundred twenty-one thousand, six hundred twenty-five".