2646425 has 12 divisors (see below), whose sum is σ = 3371436. Its totient is φ = 2059200.

The previous prime is 2646409. The next prime is 2646443. The reversal of 2646425 is 5246462.

It can be written as a sum of positive squares in 6 ways, for example, as 34969 + 2611456 = 187^2 + 1616^2 .

It is not a de Polignac number, because 2646425 - 2⁴ = 2646409 is a prime.

It is a super-3 number, since 3×2646425³ = 55603230743334046875, which contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 506 + ... + 2355.

It is an arithmetic number, because the mean of its divisors is an integer number (280953).

2^2646425 is an apocalyptic number.

2646425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2646425 is a deficient number, since it is larger than the sum of its proper divisors (725011).

2646425 is a wasteful number, since it uses less digits than its factorization.

2646425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908 (or 2903 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 2646425 is about 1626.7836365049. The cubic root of 2646425 is about 138.3204936390.

The spelling of 2646425 in words is "two million, six hundred forty-six thousand, four hundred twenty-five".