26653531 has 2 divisors, whose sum is σ = 26653532. Its totient is φ = 26653530.

The previous prime is 26653511. The next prime is 26653547. The reversal of 26653531 is 13535662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26653531 - 2⁵ = 26653499 is a prime.

It is a super-2 number, since 2×26653531² = 1420821429535922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 26653493 and 26653502.

It is not a weakly prime, because it can be changed into another prime (26653511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13326765 + 13326766.

It is an arithmetic number, because the mean of its divisors is an integer number (13326766).

Almost surely, 2^26653531 is an apocalyptic number.

26653531 is a deficient number, since it is larger than the sum of its proper divisors (1).

26653531 is an equidigital number, since it uses as much as digits as its factorization.

26653531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 31.

The square root of 26653531 is about 5162.7057828236. The cubic root of 26653531 is about 298.7112531812.

The spelling of 26653531 in words is "twenty-six million, six hundred fifty-three thousand, five hundred thirty-one".