26420523 has 16 divisors (see below), whose sum is σ = 36556800. Its totient is φ = 16960320.

The previous prime is 26420521. The next prime is 26420543. The reversal of 26420523 is 32502462.

It is not a de Polignac number, because 26420523 - 2¹ = 26420521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26420493 and 26420502.

It is not an unprimeable number, because it can be changed into a prime (26420521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8358 + ... + 11076.

It is an arithmetic number, because the mean of its divisors is an integer number (2284800).

Almost surely, 2^26420523 is an apocalyptic number.

26420523 is a deficient number, since it is larger than the sum of its proper divisors (10136277).

26420523 is a wasteful number, since it uses less digits than its factorization.

26420523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 26420523 is about 5140.0897852080. The cubic root of 26420523 is about 297.8382490811.

Adding to 26420523 its reverse (32502462), we get a palindrome (58922985).

The spelling of 26420523 in words is "twenty-six million, four hundred twenty thousand, five hundred twenty-three".