26525540 has 12 divisors (see below), whose sum is σ = 55703676. Its totient is φ = 10610208.

The previous prime is 26525519. The next prime is 26525549. The reversal of 26525540 is 4552562.

It can be written as a sum of positive squares in 2 ways, for example, as 14303524 + 12222016 = 3782^2 + 3496^2 .

It is not an unprimeable number, because it can be changed into a prime (26525549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663119 + ... + 663158.

It is an arithmetic number, because the mean of its divisors is an integer number (4641973).

Almost surely, 2^26525540 is an apocalyptic number.

26525540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26525540 is an abundant number, since it is smaller than the sum of its proper divisors (29178136).

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

26525540 is a wasteful number, since it uses less digits than its factorization.

26525540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326286 (or 1326284 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 26525540 is about 5150.2951371742. The cubic root of 26525540 is about 298.2323458599.

It can be divided in two parts, 2652 and 5540, that added together give a 13-th power (8192 = 2¹³).

The spelling of 26525540 in words is "twenty-six million, five hundred twenty-five thousand, five hundred forty".