270978561 has 32 divisors (see below), whose sum is σ = 469483520. Its totient is φ = 151239312.

The previous prime is 270978541. The next prime is 270978569. The reversal of 270978561 is 165879072.

It is not a de Polignac number, because 270978561 - 2⁶ = 270978497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270978569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8545 + ... + 24798.

It is an arithmetic number, because the mean of its divisors is an integer number (14671360).

Almost surely, 2^270978561 is an apocalyptic number.

270978561 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

270978561 is a deficient number, since it is larger than the sum of its proper divisors (198504959).

270978561 is a wasteful number, since it uses less digits than its factorization.

270978561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33402 (or 33396 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 270978561 is about 16461.4264570237. The cubic root of 270978561 is about 647.1102973462.

The spelling of 270978561 in words is "two hundred seventy million, nine hundred seventy-eight thousand, five hundred sixty-one".