26835354225 has 81 divisors (see below), whose sum is σ = 49094379243. Its totient is φ = 14012079840.

The previous prime is 26835354187. The next prime is 26835354239. The reversal of 26835354225 is 52245353862.

The square root of 26835354225 is 163815.

It is a perfect power (a square), and thus also a powerful number.

26835354225 is a `hidden beast` number, since 2 + 6 + 83 + 5 + 3 + 542 + 25 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9660727521 + 17174626704 = 98289^2 + 131052^2 .

It is not a de Polignac number, because 26835354225 - 2¹³ = 26835346033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 164633994 + ... + 164634156.

Almost surely, 2^26835354225 is an apocalyptic number.

26835354225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

26835354225 is the 163815-th square number.

26835354225 is the 81908-th centered octagonal number.

It is an amenable number.

26835354225 is a deficient number, since it is larger than the sum of its proper divisors (22259025018).

26835354225 is an equidigital number, since it uses as much as digits as its factorization.

26835354225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 238 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

The spelling of 26835354225 in words is "twenty-six billion, eight hundred thirty-five million, three hundred fifty-four thousand, two hundred twenty-five".