1532620868 has 6 divisors (see below), whose sum is σ = 2682086526. Its totient is φ = 766310432.

The previous prime is 1532620867. The next prime is 1532620871. The reversal of 1532620868 is 8680262351.

It can be written as a sum of positive squares in only one way, i.e., 928542784 + 604078084 = 30472^2 + 24578^2 .

It is not an unprimeable number, because it can be changed into a prime (1532620867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191577605 + ... + 191577612.

It is an arithmetic number, because the mean of its divisors is an integer number (447014421).

Almost surely, 2^1532620868 is an apocalyptic number.

It is an amenable number.

1532620868 is a deficient number, since it is larger than the sum of its proper divisors (1149465658).

1532620868 is a wasteful number, since it uses less digits than its factorization.

1532620868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383155221 (or 383155219 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 1532620868 is about 39148.7019963625. The cubic root of 1532620868 is about 1152.9529323023.

The spelling of 1532620868 in words is "one billion, five hundred thirty-two million, six hundred twenty thousand, eight hundred sixty-eight".