26032981 has 16 divisors (see below), whose sum is σ = 29232000. Its totient is φ = 23018688.

The previous prime is 26032961. The next prime is 26032999. The reversal of 26032981 is 18923062.

It is a cyclic number.

It is not a de Polignac number, because 26032981 - 2¹¹ = 26030933 is a prime.

It is a super-2 number, since 2×26032981² = 1355432199492722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26032961) 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, 74850 + ... + 75196.

It is an arithmetic number, because the mean of its divisors is an integer number (1827000).

Almost surely, 2^26032981 is an apocalyptic number.

It is an amenable number.

26032981 is a deficient number, since it is larger than the sum of its proper divisors (3199019).

26032981 is a wasteful number, since it uses less digits than its factorization.

26032981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 26032981 is about 5102.2525417702. The cubic root of 26032981 is about 296.3748181209.

The spelling of 26032981 in words is "twenty-six million, thirty-two thousand, nine hundred eighty-one".