275742451 has 4 divisors (see below), whose sum is σ = 277336512. Its totient is φ = 274148392.

The previous prime is 275742449. The next prime is 275742461. The reversal of 275742451 is 154247572.

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

It is a cyclic number.

It is not a de Polignac number, because 275742451 - 2¹ = 275742449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 275742451.

It is not an unprimeable number, because it can be changed into a prime (275742461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 796771 + ... + 797116.

It is an arithmetic number, because the mean of its divisors is an integer number (69334128).

Almost surely, 2^275742451 is an apocalyptic number.

275742451 is a deficient number, since it is larger than the sum of its proper divisors (1594061).

275742451 is a wasteful number, since it uses less digits than its factorization.

275742451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594060.

The product of its digits is 78400, while the sum is 37.

The square root of 275742451 is about 16605.4946026910. The cubic root of 275742451 is about 650.8804250717.

The spelling of 275742451 in words is "two hundred seventy-five million, seven hundred forty-two thousand, four hundred fifty-one".