1542536 has 8 divisors (see below), whose sum is σ = 2892270. Its totient is φ = 771264.

The previous prime is 1542533. The next prime is 1542551. The reversal of 1542536 is 6352451.

It can be written as a sum of positive squares in only one way, i.e., 1060900 + 481636 = 1030^2 + 694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1542536² = 4758834622592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1542533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96401 + ... + 96416.

2^1542536 is an apocalyptic number.

It is an amenable number.

1542536 is a deficient number, since it is larger than the sum of its proper divisors (1349734).

1542536 is a wasteful number, since it uses less digits than its factorization.

1542536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192823 (or 192819 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 1542536 is about 1241.9887278071. The cubic root of 1542536 is about 115.5433893065.

Adding to 1542536 its reverse (6352451), we get a palindrome (7894987).

The spelling of 1542536 in words is "one million, five hundred forty-two thousand, five hundred thirty-six".