1542321063 has 6 divisors (see below), whose sum is σ = 2227797104. Its totient is φ = 1028214036.

The previous prime is 1542321031. The next prime is 1542321113. The reversal of 1542321063 is 3601232451.

It is not a de Polignac number, because 1542321063 - 2⁵ = 1542321031 is a prime.

It is a super-2 number, since 2×1542321063² = 4757508522746899938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542321163) 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, 85684495 + ... + 85684512.

Almost surely, 2^1542321063 is an apocalyptic number.

1542321063 is a deficient number, since it is larger than the sum of its proper divisors (685476041).

1542321063 is a wasteful number, since it uses less digits than its factorization.

1542321063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171369013 (or 171369010 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1542321063 is about 39272.3956870472. The cubic root of 1542321063 is about 1155.3802245104.

The spelling of 1542321063 in words is "one billion, five hundred forty-two million, three hundred twenty-one thousand, sixty-three".