75425161 has 12 divisors (see below), whose sum is σ = 88072068. Its totient is φ = 64405152.

The previous prime is 75425159. The next prime is 75425191. The reversal of 75425161 is 16152457.

It can be written as a sum of positive squares in 2 ways, for example, as 44689225 + 30735936 = 6685^2 + 5544^2 .

It is not a de Polignac number, because 75425161 - 2¹ = 75425159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75425111) 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, 10795 + ... + 16351.

It is an arithmetic number, because the mean of its divisors is an integer number (7339339).

Almost surely, 2^75425161 is an apocalyptic number.

It is an amenable number.

75425161 is a deficient number, since it is larger than the sum of its proper divisors (12646907).

75425161 is a wasteful number, since it uses less digits than its factorization.

75425161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5848 (or 5841 counting only the distinct ones).

The product of its digits is 8400, while the sum is 31.

The square root of 75425161 is about 8684.7660302394. The cubic root of 75425161 is about 422.5117086493.

The spelling of 75425161 in words is "seventy-five million, four hundred twenty-five thousand, one hundred sixty-one".