2690025 has 48 divisors (see below), whose sum is σ = 4999680. Its totient is φ = 1267200.

The previous prime is 2690021. The next prime is 2690027. The reversal of 2690025 is 5200962.

2690025 = 207² + 208² + ... + 256².

2690025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2690025 - 2² = 2690021 is a prime.

2690025 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2689977 and 2690004.

It is not an unprimeable number, because it can be changed into a prime (2690021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30181 + ... + 30269.

It is an arithmetic number, because the mean of its divisors is an integer number (104160).

2^2690025 is an apocalyptic number.

2690025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2690025 is a deficient number, since it is larger than the sum of its proper divisors (2309655).

2690025 is a wasteful number, since it uses less digits than its factorization.

2690025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2690025 is about 1640.1295680525. The cubic root of 2690025 is about 139.0759724775.

Adding to 2690025 its reverse (5200962), we get a palindrome (7890987).

The spelling of 2690025 in words is "two million, six hundred ninety thousand, twenty-five".