43152525431 has 4 divisors (see below), whose sum is σ = 45423711000. Its totient is φ = 40881339864.

The previous prime is 43152525413. The next prime is 43152525463. The reversal of 43152525431 is 13452525134.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13452525134 = 2 ⋅6726262567.

It is a cyclic number.

It is not a de Polignac number, because 43152525431 - 2³⁴ = 25972656247 is a prime.

It is a super-2 number, since 2×43152525431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43152525391 and 43152525400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43152525631) 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, 1135592756 + ... + 1135592793.

It is an arithmetic number, because the mean of its divisors is an integer number (11355927750).

Almost surely, 2^43152525431 is an apocalyptic number.

43152525431 is a deficient number, since it is larger than the sum of its proper divisors (2271185569).

43152525431 is a wasteful number, since it uses less digits than its factorization.

43152525431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271185568.

The product of its digits is 72000, while the sum is 35.

The spelling of 43152525431 in words is "forty-three billion, one hundred fifty-two million, five hundred twenty-five thousand, four hundred thirty-one".