2645507 has 2 divisors, whose sum is σ = 2645508. Its totient is φ = 2645506.

The previous prime is 2645479. The next prime is 2645519. The reversal of 2645507 is 7055462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2645507 - 2¹² = 2641411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2645507.

It is not a weakly prime, because it can be changed into another prime (2645527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322753 + 1322754.

It is an arithmetic number, because the mean of its divisors is an integer number (1322754).

2^2645507 is an apocalyptic number.

2645507 is a deficient number, since it is larger than the sum of its proper divisors (1).

2645507 is an equidigital number, since it uses as much as digits as its factorization.

2645507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2645507 is about 1626.5014601899. The cubic root of 2645507 is about 138.3044981107.

It can be divided in two parts, 264550 and 7, that multiplied together give a triangular number (1851850 = T₁₉₂₄).

The spelling of 2645507 in words is "two million, six hundred forty-five thousand, five hundred seven".