1535382061 has 8 divisors (see below), whose sum is σ = 1592007480. Its totient is φ = 1479002112.

The previous prime is 1535382053. The next prime is 1535382067. The reversal of 1535382061 is 1602835351.

It can be written as a sum of positive squares in 4 ways, for example, as 211149961 + 1324232100 = 14531^2 + 36390^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1535382061 - 2³ = 1535382053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1535382067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48580 + ... + 73693.

It is an arithmetic number, because the mean of its divisors is an integer number (199000935).

Almost surely, 2^1535382061 is an apocalyptic number.

It is an amenable number.

1535382061 is a deficient number, since it is larger than the sum of its proper divisors (56625419).

1535382061 is a wasteful number, since it uses less digits than its factorization.

1535382061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122735.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 1535382061 is about 39183.9515745924. The cubic root of 1535382061 is about 1153.6449094060.

The spelling of 1535382061 in words is "one billion, five hundred thirty-five million, three hundred eighty-two thousand, sixty-one".