411640025 has 6 divisors (see below), whose sum is σ = 510433662. Its totient is φ = 329312000.

The previous prime is 411640013. The next prime is 411640051. The reversal of 411640025 is 520046114.

It can be written as a sum of positive squares in 3 ways, for example, as 2468041 + 409171984 = 1571^2 + 20228^2 .

It is not a de Polignac number, because 411640025 - 2⁶ = 411639961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8232776 + ... + 8232825.

It is an arithmetic number, because the mean of its divisors is an integer number (85072277).

Almost surely, 2^411640025 is an apocalyptic number.

It is an amenable number.

411640025 is a deficient number, since it is larger than the sum of its proper divisors (98793637).

411640025 is a wasteful number, since it uses less digits than its factorization.

411640025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16465611 (or 16465606 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 411640025 is about 20288.9138447577. The cubic root of 411640025 is about 743.8851092729.

Adding to 411640025 its reverse (520046114), we get a palindrome (931686139).

The spelling of 411640025 in words is "four hundred eleven million, six hundred forty thousand, twenty-five".