26525000 has 48 divisors (see below), whose sum is σ = 62222580. Its totient is φ = 10600000.

The previous prime is 26524973. The next prime is 26525017. The reversal of 26525000 is 52562.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1943236 + 24581764 = 1394^2 + 4958^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24470 + ... + 25530.

Almost surely, 2^26525000 is an apocalyptic number.

26525000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26525000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31111290).

26525000 is an abundant number, since it is smaller than the sum of its proper divisors (35697580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26525000 is an equidigital number, since it uses as much as digits as its factorization.

26525000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 26525000 is about 5150.2427127272. The cubic root of 26525000 is about 298.2303220675.

Adding to 26525000 its reverse (52562), we get a palindrome (26577562).

The spelling of 26525000 in words is "twenty-six million, five hundred twenty-five thousand".