925638829 has 2 divisors, whose sum is σ = 925638830. Its totient is φ = 925638828.

The previous prime is 925638817. The next prime is 925638853. The reversal of 925638829 is 928836529.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 924281604 + 1357225 = 30402^2 + 1165^2 .

It is an emirp because it is prime and its reverse (928836529) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 925638829 - 2⁹ = 925638317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (925638529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 462819414 + 462819415.

It is an arithmetic number, because the mean of its divisors is an integer number (462819415).

Almost surely, 2^925638829 is an apocalyptic number.

It is an amenable number.

925638829 is a deficient number, since it is larger than the sum of its proper divisors (1).

925638829 is an equidigital number, since it uses as much as digits as its factorization.

925638829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 52.

The square root of 925638829 is about 30424.3131228956. The cubic root of 925638829 is about 974.5718318103.

The spelling of 925638829 in words is "nine hundred twenty-five million, six hundred thirty-eight thousand, eight hundred twenty-nine".