375343561 has 8 divisors (see below), whose sum is σ = 407116584. Its totient is φ = 344647680.

The previous prime is 375343543. The next prime is 375343597. The reversal of 375343561 is 165343573.

It can be written as a sum of positive squares in 4 ways, for example, as 52925625 + 322417936 = 7275^2 + 17956^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 375343561 - 2¹⁹ = 374819273 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 375343561.

It is not an unprimeable number, because it can be changed into a prime (375343531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268560 + ... + 269953.

It is an arithmetic number, because the mean of its divisors is an integer number (50889573).

Almost surely, 2^375343561 is an apocalyptic number.

It is an amenable number.

375343561 is a deficient number, since it is larger than the sum of its proper divisors (31773023).

375343561 is a wasteful number, since it uses less digits than its factorization.

375343561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538571.

The product of its digits is 113400, while the sum is 37.

The square root of 375343561 is about 19373.7854070907. The cubic root of 375343561 is about 721.3449404701.

The spelling of 375343561 in words is "three hundred seventy-five million, three hundred forty-three thousand, five hundred sixty-one".