1540253002 has 8 divisors (see below), whose sum is σ = 2317809312. Its totient is φ = 767649900.

The previous prime is 1540252999. The next prime is 1540253041. The reversal of 1540253002 is 2003520451.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1237524 + ... + 1238767.

It is an arithmetic number, because the mean of its divisors is an integer number (289726164).

Almost surely, 2^1540253002 is an apocalyptic number.

1540253002 is a deficient number, since it is larger than the sum of its proper divisors (777556310).

1540253002 is a wasteful number, since it uses less digits than its factorization.

1540253002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476604.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1540253002 is about 39246.0571522796. The cubic root of 1540253002 is about 1154.8635863954.

Adding to 1540253002 its reverse (2003520451), we get a palindrome (3543773453).

The spelling of 1540253002 in words is "one billion, five hundred forty million, two hundred fifty-three thousand, two".