1536542 has 12 divisors (see below), whose sum is σ = 2681280. Its totient is φ = 658476.

The previous prime is 1536539. The next prime is 1536547. The reversal of 1536542 is 2456351.

It is a super-2 number, since 2×1536542² = 4721922635528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1536547) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7742 + ... + 7937.

It is an arithmetic number, because the mean of its divisors is an integer number (223440).

2^1536542 is an apocalyptic number.

1536542 is a deficient number, since it is larger than the sum of its proper divisors (1144738).

1536542 is a wasteful number, since it uses less digits than its factorization.

1536542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15695 (or 15688 counting only the distinct ones).

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

The square root of 1536542 is about 1239.5733136850. The cubic root of 1536542 is about 115.3935351965.

The spelling of 1536542 in words is "one million, five hundred thirty-six thousand, five hundred forty-two".