2605501 has 2 divisors, whose sum is σ = 2605502. Its totient is φ = 2605500.

The previous prime is 2605483. The next prime is 2605523. The reversal of 2605501 is 1055062.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1452025 + 1153476 = 1205^2 + 1074^2 .

It is a cyclic number.

It is not a de Polignac number, because 2605501 - 2⁷ = 2605373 is a prime.

It is a super-2 number, since 2×2605501² = 13577270922002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2605531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302750 + 1302751.

It is an arithmetic number, because the mean of its divisors is an integer number (1302751).

2^2605501 is an apocalyptic number.

It is an amenable number.

2605501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2605501 is an equidigital number, since it uses as much as digits as its factorization.

2605501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 2605501 is about 1614.1564360371. The cubic root of 2605501 is about 137.6037960069.

The spelling of 2605501 in words is "two million, six hundred five thousand, five hundred one".