26250000 has 160 divisors (see below), whose sum is σ = 96874752. Its totient is φ = 6000000.

The previous prime is 26249987. The next prime is 26250031. The reversal of 26250000 is 5262.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3749997 + ... + 3750003.

Almost surely, 2^26250000 is an apocalyptic number.

26250000 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 26250000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48437376).

26250000 is an abundant number, since it is smaller than the sum of its proper divisors (70624752).

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

26250000 is an frugal number, since it uses more digits than its factorization.

26250000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 26250000 is about 5123.4753829798. The cubic root of 26250000 is about 297.1960976382.

Adding to 26250000 its reverse (5262), we get a palindrome (26255262).

The spelling of 26250000 in words is "twenty-six million, two hundred fifty thousand".