26530501 has 2 divisors, whose sum is σ = 26530502. Its totient is φ = 26530500.

The previous prime is 26530457. The next prime is 26530519. The reversal of 26530501 is 10503562.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24265476 + 2265025 = 4926^2 + 1505^2 .

It is a cyclic number.

It is not a de Polignac number, because 26530501 - 2¹⁵ = 26497733 is a prime.

It is a super-2 number, since 2×26530501² = 1407734966622002, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26530571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13265250 + 13265251.

It is an arithmetic number, because the mean of its divisors is an integer number (13265251).

Almost surely, 2^26530501 is an apocalyptic number.

It is an amenable number.

26530501 is a deficient number, since it is larger than the sum of its proper divisors (1).

26530501 is an equidigital number, since it uses as much as digits as its factorization.

26530501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 26530501 is about 5150.7767375416. The cubic root of 26530501 is about 298.2509372306.

The spelling of 26530501 in words is "twenty-six million, five hundred thirty thousand, five hundred one".