42521214525 has 12 divisors (see below), whose sum is σ = 70301741472. Its totient is φ = 22677981040.

The previous prime is 42521214503. The next prime is 42521214529. The reversal of 42521214525 is 52541212524.

It is not a de Polignac number, because 42521214525 - 2¹⁹ = 42520690237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42521214529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283474689 + ... + 283474838.

It is an arithmetic number, because the mean of its divisors is an integer number (5858478456).

Almost surely, 2^42521214525 is an apocalyptic number.

It is an amenable number.

42521214525 is a deficient number, since it is larger than the sum of its proper divisors (27780526947).

42521214525 is a wasteful number, since it uses less digits than its factorization.

42521214525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566949540 (or 566949535 counting only the distinct ones).

The product of its digits is 32000, while the sum is 33.

The spelling of 42521214525 in words is "forty-two billion, five hundred twenty-one million, two hundred fourteen thousand, five hundred twenty-five".