26252290 has 8 divisors (see below), whose sum is σ = 47254140. Its totient is φ = 10500912.

The previous prime is 26252251. The next prime is 26252299. The reversal of 26252290 is 9225262.

It can be written as a sum of positive squares in 2 ways, for example, as 25735329 + 516961 = 5073^2 + 719^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (26252299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312605 + ... + 1312624.

Almost surely, 2^26252290 is an apocalyptic number.

26252290 is a deficient number, since it is larger than the sum of its proper divisors (21001850).

26252290 is a wasteful number, since it uses less digits than its factorization.

26252290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625236.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 26252290 is about 5123.6988592227. The cubic root of 26252290 is about 297.2047396607.

The spelling of 26252290 in words is "twenty-six million, two hundred fifty-two thousand, two hundred ninety".