42507053 has 4 divisors (see below), whose sum is σ = 42604320. Its totient is φ = 42409788.

The previous prime is 42507019. The next prime is 42507071. The reversal of 42507053 is 35070524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42507053 - 2²² = 38312749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42507083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47975 + ... + 48852.

It is an arithmetic number, because the mean of its divisors is an integer number (10651080).

Almost surely, 2^42507053 is an apocalyptic number.

It is an amenable number.

42507053 is a deficient number, since it is larger than the sum of its proper divisors (97267).

42507053 is an equidigital number, since it uses as much as digits as its factorization.

42507053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97266.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 42507053 is about 6519.7433231685. The cubic root of 42507053 is about 348.9959058422.

Adding to 42507053 its reverse (35070524), we get a palindrome (77577577).

Subtracting from 42507053 its reverse (35070524), we obtain a square (7436529 = 2727²).

The spelling of 42507053 in words is "forty-two million, five hundred seven thousand, fifty-three".