42303525 has 48 divisors (see below), whose sum is σ = 77995008. Its totient is φ = 20056000.

The previous prime is 42303511. The next prime is 42303539. The reversal of 42303525 is 52530324.

It is an interprime number because it is at equal distance from previous prime (42303511) and next prime (42303539).

It is not a de Polignac number, because 42303525 - 2⁶ = 42303461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42303495 and 42303504.

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, 38230 + ... + 39320.

It is an arithmetic number, because the mean of its divisors is an integer number (1624896).

Almost surely, 2^42303525 is an apocalyptic number.

It is an amenable number.

42303525 is a deficient number, since it is larger than the sum of its proper divisors (35691483).

42303525 is a wasteful number, since it uses less digits than its factorization.

42303525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 42303525 is about 6504.1160045005. The cubic root of 42303525 is about 348.4380054220.

Adding to 42303525 its reverse (52530324), we get a palindrome (94833849).

The spelling of 42303525 in words is "forty-two million, three hundred three thousand, five hundred twenty-five".