1345275 has 24 divisors (see below), whose sum is σ = 2472560. Its totient is φ = 717120.

The previous prime is 1345273. The next prime is 1345277. The reversal of 1345275 is 5725431.

It is a happy number.

1345275 is a `hidden beast` number, since 134 + 527 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (1345273) and next prime (1345277).

It is not a de Polignac number, because 1345275 - 2¹ = 1345273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 1 + 3² + 4⁸ + 5² + 2¹⁶ + 7⁷ + 5⁸ .

1345275 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1345271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 322 + ... + 1671.

2^1345275 is an apocalyptic number.

1345275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1345275 is a deficient number, since it is larger than the sum of its proper divisors (1127285).

1345275 is a wasteful number, since it uses less digits than its factorization.

1345275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012 (or 2001 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 1345275 is about 1159.8599053334. The cubic root of 1345275 is about 110.3918531323.

The spelling of 1345275 in words is "one million, three hundred forty-five thousand, two hundred seventy-five".