43252357097 has 4 divisors (see below), whose sum is σ = 43253885520. Its totient is φ = 43250828676.

The previous prime is 43252357087. The next prime is 43252357103. The reversal of 43252357097 is 79075325234.

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 43252357097 - 2⁸ = 43252356841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43252357007) 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, 720947 + ... + 778632.

It is an arithmetic number, because the mean of its divisors is an integer number (10813471380).

Almost surely, 2^43252357097 is an apocalyptic number.

It is an amenable number.

43252357097 is a deficient number, since it is larger than the sum of its proper divisors (1528423).

43252357097 is a wasteful number, since it uses less digits than its factorization.

43252357097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528422.

The product of its (nonzero) digits is 1587600, while the sum is 47.

The spelling of 43252357097 in words is "forty-three billion, two hundred fifty-two million, three hundred fifty-seven thousand, ninety-seven".