375138249 has 4 divisors (see below), whose sum is σ = 500184336. Its totient is φ = 250092164.

The previous prime is 375138221. The next prime is 375138259. The reversal of 375138249 is 942831573.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 375138249 - 2⁷ = 375138121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 375138249.

It is not an unprimeable number, because it can be changed into a prime (375138259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62523039 + ... + 62523044.

It is an arithmetic number, because the mean of its divisors is an integer number (125046084).

Almost surely, 2^375138249 is an apocalyptic number.

It is an amenable number.

375138249 is a deficient number, since it is larger than the sum of its proper divisors (125046087).

375138249 is a wasteful number, since it uses less digits than its factorization.

375138249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125046086.

The product of its digits is 181440, while the sum is 42.

The square root of 375138249 is about 19368.4859759352. The cubic root of 375138249 is about 721.2133918485.

The spelling of 375138249 in words is "three hundred seventy-five million, one hundred thirty-eight thousand, two hundred forty-nine".