2625541 has 2 divisors, whose sum is σ = 2625542. Its totient is φ = 2625540.

The previous prime is 2625533. The next prime is 2625551. The reversal of 2625541 is 1455262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1368900 + 1256641 = 1170^2 + 1121^2 .

It is a cyclic number.

It is not a de Polignac number, because 2625541 - 2³ = 2625533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2625521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1312770 + 1312771.

It is an arithmetic number, because the mean of its divisors is an integer number (1312771).

2^2625541 is an apocalyptic number.

It is an amenable number.

2625541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2625541 is an equidigital number, since it uses as much as digits as its factorization.

2625541 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2625541 is about 1620.3521222253. The cubic root of 2625541 is about 137.9556848537.

The spelling of 2625541 in words is "two million, six hundred twenty-five thousand, five hundred forty-one".