26020543 has 2 divisors, whose sum is σ = 26020544. Its totient is φ = 26020542.

The previous prime is 26020537. The next prime is 26020559. The reversal of 26020543 is 34502062.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26020543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26020513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13010271 + 13010272.

It is an arithmetic number, because the mean of its divisors is an integer number (13010272).

Almost surely, 2^26020543 is an apocalyptic number.

26020543 is a deficient number, since it is larger than the sum of its proper divisors (1).

26020543 is an equidigital number, since it uses as much as digits as its factorization.

26020543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 26020543 is about 5101.0335227285. The cubic root of 26020543 is about 296.3276100912.

It can be divided in two parts, 260205 and 43, that multiplied together give a triangular number (11188815 = T₄₇₃₀).

The spelling of 26020543 in words is "twenty-six million, twenty thousand, five hundred forty-three".