1255465 has 8 divisors (see below), whose sum is σ = 1515528. Its totient is φ = 998400.

The previous prime is 1255453. The next prime is 1255477. The reversal of 1255465 is 5645521.

It is an interprime number because it is at equal distance from previous prime (1255453) and next prime (1255477).

It can be written as a sum of positive squares in 4 ways, for example, as 43264 + 1212201 = 208^2 + 1101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1255465 - 2⁷ = 1255337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315 + ... + 1615.

It is an arithmetic number, because the mean of its divisors is an integer number (189441).

2^1255465 is an apocalyptic number.

It is an amenable number.

1255465 is a deficient number, since it is larger than the sum of its proper divisors (260063).

1255465 is a wasteful number, since it uses less digits than its factorization.

1255465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499.

The product of its digits is 6000, while the sum is 28.

The square root of 1255465 is about 1120.4753455565. The cubic root of 1255465 is about 107.8784927485.

The spelling of 1255465 in words is "one million, two hundred fifty-five thousand, four hundred sixty-five".