2645512 has 8 divisors (see below), whose sum is σ = 4960350. Its totient is φ = 1322752.

The previous prime is 2645507. The next prime is 2645519. The reversal of 2645512 is 2155462.

It can be written as a sum of positive squares in only one way, i.e., 1359556 + 1285956 = 1166^2 + 1134^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2645519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165337 + ... + 165352.

2^2645512 is an apocalyptic number.

It is an amenable number.

2645512 is a deficient number, since it is larger than the sum of its proper divisors (2314838).

2645512 is a wasteful number, since it uses less digits than its factorization.

2645512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330695 (or 330691 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 2645512 is about 1626.5029972306. The cubic root of 2645512 is about 138.3045852423.

It can be divided in two parts, 264 and 5512, that added together give a square (5776 = 76²).

The spelling of 2645512 in words is "two million, six hundred forty-five thousand, five hundred twelve".