8521265434 has 8 divisors (see below), whose sum is σ = 13943888928. Its totient is φ = 3873302460.

The previous prime is 8521265387. The next prime is 8521265437. The reversal of 8521265434 is 4345621258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×8521265434² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8521265437) 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, 193665102 + ... + 193665145.

It is an arithmetic number, because the mean of its divisors is an integer number (1742986116).

Almost surely, 2^8521265434 is an apocalyptic number.

8521265434 is a deficient number, since it is larger than the sum of its proper divisors (5422623494).

8521265434 is a wasteful number, since it uses less digits than its factorization.

8521265434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387330260.

The product of its digits is 230400, while the sum is 40.

The square root of 8521265434 is about 92310.7005389949. The cubic root of 8521265434 is about 2042.5280584739.

The spelling of 8521265434 in words is "eight billion, five hundred twenty-one million, two hundred sixty-five thousand, four hundred thirty-four".