825604037 has 2 divisors, whose sum is σ = 825604038. Its totient is φ = 825604036.

The previous prime is 825603991. The next prime is 825604061. The reversal of 825604037 is 730406528.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 556676836 + 268927201 = 23594^2 + 16399^2 .

It is a cyclic number.

It is not a de Polignac number, because 825604037 - 2¹² = 825599941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 825603988 and 825604006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825604097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412802018 + 412802019.

It is an arithmetic number, because the mean of its divisors is an integer number (412802019).

Almost surely, 2^825604037 is an apocalyptic number.

It is an amenable number.

825604037 is a deficient number, since it is larger than the sum of its proper divisors (1).

825604037 is an equidigital number, since it uses as much as digits as its factorization.

825604037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 825604037 is about 28733.3262432319. The cubic root of 825604037 is about 938.1175686077.

The spelling of 825604037 in words is "eight hundred twenty-five million, six hundred four thousand, thirty-seven".