825510441 has 32 divisors (see below), whose sum is σ = 1323479808. Its totient is φ = 447759360.

The previous prime is 825510437. The next prime is 825510443. The reversal of 825510441 is 144015528.

It is not a de Polignac number, because 825510441 - 2² = 825510437 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 825510399 and 825510408.

It is not an unprimeable number, because it can be changed into a prime (825510443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18901 + ... + 44813.

It is an arithmetic number, because the mean of its divisors is an integer number (41358744).

Almost surely, 2^825510441 is an apocalyptic number.

It is an amenable number.

825510441 is a deficient number, since it is larger than the sum of its proper divisors (497969367).

825510441 is a wasteful number, since it uses less digits than its factorization.

825510441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26001.

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 825510441 is about 28731.6974959712. The cubic root of 825510441 is about 938.0821168390.

Adding to 825510441 its reverse (144015528), we get a palindrome (969525969).

The spelling of 825510441 in words is "eight hundred twenty-five million, five hundred ten thousand, four hundred forty-one".