254513465 has 4 divisors (see below), whose sum is σ = 305416164. Its totient is φ = 203610768.

The previous prime is 254513459. The next prime is 254513471. The reversal of 254513465 is 564315452.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (254513459) and next prime (254513471).

It can be written as a sum of positive squares in 2 ways, for example, as 175801081 + 78712384 = 13259^2 + 8872^2 .

It is a cyclic number.

It is not a de Polignac number, because 254513465 - 2⁴ = 254513449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25451342 + ... + 25451351.

It is an arithmetic number, because the mean of its divisors is an integer number (76354041).

Almost surely, 2^254513465 is an apocalyptic number.

It is an amenable number.

254513465 is a deficient number, since it is larger than the sum of its proper divisors (50902699).

254513465 is an equidigital number, since it uses as much as digits as its factorization.

254513465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50902698.

The product of its digits is 72000, while the sum is 35.

The square root of 254513465 is about 15953.4781474135. The cubic root of 254513465 is about 633.7290095972.

The spelling of 254513465 in words is "two hundred fifty-four million, five hundred thirteen thousand, four hundred sixty-five".