40827025 has 6 divisors (see below), whose sum is σ = 50625542. Its totient is φ = 32661600.

The previous prime is 40827011. The next prime is 40827077. The reversal of 40827025 is 52072804.

It can be written as a sum of positive squares in 3 ways, for example, as 6170256 + 34656769 = 2484^2 + 5887^2 .

It is not a de Polignac number, because 40827025 - 2²⁵ = 7272593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40826984 and 40827002.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 816516 + ... + 816565.

Almost surely, 2^40827025 is an apocalyptic number.

It is an amenable number.

40827025 is a deficient number, since it is larger than the sum of its proper divisors (9798517).

40827025 is a wasteful number, since it uses less digits than its factorization.

40827025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633091 (or 1633086 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 40827025 is about 6389.6028828089. The cubic root of 40827025 is about 344.3361174168.

Adding to 40827025 its reverse (52072804), we get a palindrome (92899829).

The spelling of 40827025 in words is "forty million, eight hundred twenty-seven thousand, twenty-five".