1952149 has 4 divisors (see below), whose sum is σ = 1989036. Its totient is φ = 1915264.

The previous prime is 1952131. The next prime is 1952173. The reversal of 1952149 is 9412591.

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

It can be written as a sum of positive squares in 2 ways, for example, as 555025 + 1397124 = 745^2 + 1182^2 .

It is a cyclic number.

It is not a de Polignac number, because 1952149 - 2⁷ = 1952021 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 1952149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1952129) 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, 18364 + ... + 18469.

It is an arithmetic number, because the mean of its divisors is an integer number (497259).

2^1952149 is an apocalyptic number.

It is an amenable number.

1952149 is a deficient number, since it is larger than the sum of its proper divisors (36887).

1952149 is an equidigital number, since it uses as much as digits as its factorization.

1952149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36886.

The product of its digits is 3240, while the sum is 31.

The square root of 1952149 is about 1397.1932579282. The cubic root of 1952149 is about 124.9791751975.

The spelling of 1952149 in words is "one million, nine hundred fifty-two thousand, one hundred forty-nine".