1535540002 has 8 divisors (see below), whose sum is σ = 2307836700. Its totient is φ = 766261104.

The previous prime is 1535539991. The next prime is 1535540021. The reversal of 1535540002 is 2000455351.

It can be written as a sum of positive squares in 2 ways, for example, as 1410077601 + 125462401 = 37551^2 + 11201^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753177 + ... + 755212.

Almost surely, 2^1535540002 is an apocalyptic number.

1535540002 is a deficient number, since it is larger than the sum of its proper divisors (772296698).

1535540002 is a wasteful number, since it uses less digits than its factorization.

1535540002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508900.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1535540002 is about 39185.9669014304. The cubic root of 1535540002 is about 1153.6844655937.

Adding to 1535540002 its reverse (2000455351), we get a palindrome (3535995353).

The spelling of 1535540002 in words is "one billion, five hundred thirty-five million, five hundred forty thousand, two".