63542039 has 16 divisors (see below), whose sum is σ = 74131200. Its totient is φ = 53823360.

The previous prime is 63542009. The next prime is 63542069. The reversal of 63542039 is 93024536.

It is an interprime number because it is at equal distance from previous prime (63542009) and next prime (63542069).

It is not a de Polignac number, because 63542039 - 2¹⁶ = 63476503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63541996 and 63542014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63542009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17612 + ... + 20910.

It is an arithmetic number, because the mean of its divisors is an integer number (4633200).

Almost surely, 2^63542039 is an apocalyptic number.

63542039 is a deficient number, since it is larger than the sum of its proper divisors (10589161).

63542039 is a wasteful number, since it uses less digits than its factorization.

63542039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 63542039 is about 7971.3260502880. The cubic root of 63542039 is about 399.0436297958.

The spelling of 63542039 in words is "sixty-three million, five hundred forty-two thousand, thirty-nine".