60812945 has 4 divisors (see below), whose sum is σ = 72975540. Its totient is φ = 48650352.

The previous prime is 60812911. The next prime is 60812959. The reversal of 60812945 is 54921806.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54921806 = 2 ⋅27460903.

It can be written as a sum of positive squares in 2 ways, for example, as 11082241 + 49730704 = 3329^2 + 7052^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60812945 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6081290 + ... + 6081299.

It is an arithmetic number, because the mean of its divisors is an integer number (18243885).

Almost surely, 2^60812945 is an apocalyptic number.

It is an amenable number.

60812945 is a deficient number, since it is larger than the sum of its proper divisors (12162595).

60812945 is a wasteful number, since it uses less digits than its factorization.

60812945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12162594.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 60812945 is about 7798.2655122790. The cubic root of 60812945 is about 393.2469339260.

The spelling of 60812945 in words is "sixty million, eight hundred twelve thousand, nine hundred forty-five".