542625 has 16 divisors (see below), whose sum is σ = 903552. Its totient is φ = 289200.

The previous prime is 542603. The next prime is 542683. The reversal of 542625 is 526245.

It is not a de Polignac number, because 542625 - 2⁷ = 542497 is a prime.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

542625 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 542595 and 542604.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 542625.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349 + ... + 1098.

It is an arithmetic number, because the mean of its divisors is an integer number (56472).

2⁵⁴²⁶²⁵ is an apocalyptic number.

It is an amenable number.

542625 is a deficient number, since it is larger than the sum of its proper divisors (360927).

542625 is a wasteful number, since it uses less digits than its factorization.

542625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465 (or 1455 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 542625 is about 736.6308437745. The cubic root of 542625 is about 81.5642661205.

Subtracting from 542625 its product of digits (2400), we obtain a square (540225 = 735²).

The spelling of 542625 in words is "five hundred forty-two thousand, six hundred twenty-five".