42903525 has 48 divisors (see below), whose sum is σ = 82280448. Its totient is φ = 19320000.

The previous prime is 42903493. The next prime is 42903541. The reversal of 42903525 is 52530924.

It is not a de Polignac number, because 42903525 - 2⁵ = 42903493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42903492 and 42903501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36700 + ... + 37850.

It is an arithmetic number, because the mean of its divisors is an integer number (1714176).

Almost surely, 2^42903525 is an apocalyptic number.

It is an amenable number.

42903525 is a deficient number, since it is larger than the sum of its proper divisors (39376923).

42903525 is a wasteful number, since it uses less digits than its factorization.

42903525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242 (or 1237 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 42903525 is about 6550.0782438075. The cubic root of 42903525 is about 350.0776018405.

It can be divided in two parts, 4290 and 3525, that multiplied together give a triangular number (15122250 = T₅₄₉₉).

The spelling of 42903525 in words is "forty-two million, nine hundred three thousand, five hundred twenty-five".