40254525 has 18 divisors (see below), whose sum is σ = 72100730. Its totient is φ = 21468960.

The previous prime is 40254509. The next prime is 40254527. The reversal of 40254525 is 52545204.

It can be written as a sum of positive squares in 3 ways, for example, as 4756761 + 35497764 = 2181^2 + 5958^2 .

It is not a de Polignac number, because 40254525 - 2⁴ = 40254509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40254527) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 89230 + ... + 89679.

Almost surely, 2^40254525 is an apocalyptic number.

40254525 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40254525 is a deficient number, since it is larger than the sum of its proper divisors (31846205).

40254525 is a wasteful number, since it uses less digits than its factorization.

40254525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178925 (or 178917 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 40254525 is about 6344.6453801611. The cubic root of 40254525 is about 342.7190422237.

Adding to 40254525 its reverse (52545204), we get a palindrome (92799729).

The spelling of 40254525 in words is "forty million, two hundred fifty-four thousand, five hundred twenty-five".