270897453 has 20 divisors (see below), whose sum is σ = 408692988. Its totient is φ = 178804800.

The previous prime is 270897391. The next prime is 270897491. The reversal of 270897453 is 354798072.

It can be written as a sum of positive squares in 2 ways, for example, as 176943204 + 93954249 = 13302^2 + 9693^2 .

It is not a de Polignac number, because 270897453 - 2¹⁰ = 270896429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 270897399 and 270897408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270897493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8376 + ... + 24737.

Almost surely, 2^270897453 is an apocalyptic number.

It is an amenable number.

270897453 is a deficient number, since it is larger than the sum of its proper divisors (137795535).

270897453 is a wasteful number, since it uses less digits than its factorization.

270897453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33226 (or 33217 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 270897453 is about 16458.9626951397. The cubic root of 270897453 is about 647.0457275893.

The spelling of 270897453 in words is "two hundred seventy million, eight hundred ninety-seven thousand, four hundred fifty-three".