1542502 has 16 divisors (see below), whose sum is σ = 2554272. Its totient is φ = 694080.

The previous prime is 1542487. The next prime is 1542503. The reversal of 1542502 is 2052451.

It is a self number, because there is not a number n which added to its sum of digits gives 1542502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343 + ... + 1789.

It is an arithmetic number, because the mean of its divisors is an integer number (159642).

2^1542502 is an apocalyptic number.

1542502 is a deficient number, since it is larger than the sum of its proper divisors (1011770).

1542502 is a wasteful number, since it uses less digits than its factorization.

1542502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 1542502 is about 1241.9750400068. The cubic root of 1542502 is about 115.5425403789.

Adding to 1542502 its reverse (2052451), we get a palindrome (3594953).

The spelling of 1542502 in words is "one million, five hundred forty-two thousand, five hundred two".