43516046025 has 27 divisors (see below), whose sum is σ = 77947678471. Its totient is φ = 23206889040.

The previous prime is 43516045973. The next prime is 43516046059. The reversal of 43516046025 is 52064061534.

The square root of 43516046025 is 208605.

It is a perfect power (a square), and thus also a powerful number.

43516046025 is a `hidden beast` number, since 4 + 35 + 16 + 0 + 4 + 602 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15665776569 + 27850269456 = 125163^2 + 166884^2 .

It is not a de Polignac number, because 43516046025 - 2²¹ = 43513948873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3122122 + ... + 3136028.

Almost surely, 2^43516046025 is an apocalyptic number.

43516046025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

43516046025 is the 208605-th square number.

43516046025 is the 104303-rd centered octagonal number.

It is an amenable number.

43516046025 is a deficient number, since it is larger than the sum of its proper divisors (34431632446).

43516046025 is an frugal number, since it uses more digits than its factorization.

43516046025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27830 (or 13915 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Multiplying 43516046025 by its sum of digits (36), we get a square (1566577656900 = 1251630²).

The spelling of 43516046025 in words is "forty-three billion, five hundred sixteen million, forty-six thousand, twenty-five".