542625663 has 8 divisors (see below), whose sum is σ = 730960048. Its totient is φ = 358020864.

The previous prime is 542625649. The next prime is 542625673. The reversal of 542625663 is 366526245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 542625663 - 2¹² = 542621567 is a prime.

It is a super-2 number, since 2×542625663² = 588885220292379138, 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 (542625623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 932056 + ... + 932637.

It is an arithmetic number, because the mean of its divisors is an integer number (91370006).

Almost surely, 2^542625663 is an apocalyptic number.

542625663 is a deficient number, since it is larger than the sum of its proper divisors (188334385).

542625663 is a wasteful number, since it uses less digits than its factorization.

542625663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864793.

The product of its digits is 259200, while the sum is 39.

The square root of 542625663 is about 23294.3268415295. The cubic root of 542625663 is about 815.6429933994.

The spelling of 542625663 in words is "five hundred forty-two million, six hundred twenty-five thousand, six hundred sixty-three".