625434543 has 6 divisors (see below), whose sum is σ = 903405464. Its totient is φ = 416956356.

The previous prime is 625434493. The next prime is 625434553. The reversal of 625434543 is 345434526.

625434543 is a `hidden beast` number, since 62 + 54 + 3 + 4 + 543 = 666.

It is not a de Polignac number, because 625434543 - 2⁸ = 625434287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 625434498 and 625434507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625434553) 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 5 ways as a sum of consecutive naturals, for example, 34746355 + ... + 34746372.

Almost surely, 2^625434543 is an apocalyptic number.

625434543 is a deficient number, since it is larger than the sum of its proper divisors (277970921).

625434543 is a wasteful number, since it uses less digits than its factorization.

625434543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69492733 (or 69492730 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

The square root of 625434543 is about 25008.6893499040. The cubic root of 625434543 is about 855.1860762546.

The spelling of 625434543 in words is "six hundred twenty-five million, four hundred thirty-four thousand, five hundred forty-three".