92945521 has 4 divisors (see below), whose sum is σ = 93046500. Its totient is φ = 92844544.

The previous prime is 92945509. The next prime is 92945539. The reversal of 92945521 is 12554929.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12554929 = 67 ⋅187387.

It can be written as a sum of positive squares in 2 ways, for example, as 1073296 + 91872225 = 1036^2 + 9585^2 .

It is a cyclic number.

It is not a de Polignac number, because 92945521 - 2¹⁵ = 92912753 is a prime.

It is a super-2 number, since 2×92945521² = 17277739747922882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (92945561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49096 + ... + 50953.

It is an arithmetic number, because the mean of its divisors is an integer number (23261625).

Almost surely, 2^92945521 is an apocalyptic number.

It is an amenable number.

92945521 is a deficient number, since it is larger than the sum of its proper divisors (100979).

92945521 is a wasteful number, since it uses less digits than its factorization.

92945521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100978.

The product of its digits is 32400, while the sum is 37.

The square root of 92945521 is about 9640.8257426426. The cubic root of 92945521 is about 452.9770043896.

It can be divided in two parts, 929 and 45521, that multiplied together give a square (42289009 = 6503²).

The spelling of 92945521 in words is "ninety-two million, nine hundred forty-five thousand, five hundred twenty-one".