26020531 has 4 divisors (see below), whose sum is σ = 26032432. Its totient is φ = 26008632.

The previous prime is 26020517. The next prime is 26020537. The reversal of 26020531 is 13502062.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 26020531 - 2⁵ = 26020499 is a prime.

It is a super-2 number, since 2×26020531² = 1354136067043922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26020499 and 26020508.

It is not an unprimeable number, because it can be changed into a prime (26020537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1620 + ... + 7393.

It is an arithmetic number, because the mean of its divisors is an integer number (6508108).

Almost surely, 2^26020531 is an apocalyptic number.

26020531 is a deficient number, since it is larger than the sum of its proper divisors (11901).

26020531 is an equidigital number, since it uses as much as digits as its factorization.

26020531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11900.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 26020531 is about 5101.0323464961. The cubic root of 26020531 is about 296.3275645383.

Adding to 26020531 its reverse (13502062), we get a palindrome (39522593).

The spelling of 26020531 in words is "twenty-six million, twenty thousand, five hundred thirty-one".