1538824052 has 6 divisors (see below), whose sum is σ = 2692942098. Its totient is φ = 769412024.

The previous prime is 1538824051. The next prime is 1538824069. The reversal of 1538824052 is 2504288351.

It can be written as a sum of positive squares in only one way, i.e., 1431411556 + 107412496 = 37834^2 + 10364^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1538823997 and 1538824015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1538824051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192353003 + ... + 192353010.

It is an arithmetic number, because the mean of its divisors is an integer number (448823683).

Almost surely, 2^1538824052 is an apocalyptic number.

It is an amenable number.

1538824052 is a deficient number, since it is larger than the sum of its proper divisors (1154118046).

1538824052 is a wasteful number, since it uses less digits than its factorization.

1538824052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384706017 (or 384706015 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 1538824052 is about 39227.8479144600. The cubic root of 1538824052 is about 1154.5063392607.

The spelling of 1538824052 in words is "one billion, five hundred thirty-eight million, eight hundred twenty-four thousand, fifty-two".