42353025 has 72 divisors (see below), whose sum is σ = 83119680. Its totient is φ = 18902400.

The previous prime is 42353009. The next prime is 42353027. The reversal of 42353025 is 52035324.

It is not a de Polignac number, because 42353025 - 2⁴ = 42353009 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42352986 and 42353004.

It is not an unprimeable number, because it can be changed into a prime (42353027) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 117796 + ... + 118154.

It is an arithmetic number, because the mean of its divisors is an integer number (1154440).

Almost surely, 2^42353025 is an apocalyptic number.

It is an amenable number.

42353025 is a deficient number, since it is larger than the sum of its proper divisors (40766655).

42353025 is a wasteful number, since it uses less digits than its factorization.

42353025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 391 counting only the distinct ones).

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

The square root of 42353025 is about 6507.9201746795. The cubic root of 42353025 is about 348.5738566572.

Adding to 42353025 its reverse (52035324), we get a palindrome (94388349).

It can be divided in two parts, 4235 and 3025, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 42353025 in words is "forty-two million, three hundred fifty-three thousand, twenty-five".