371261 has 4 divisors (see below), whose sum is σ = 405024. Its totient is φ = 337500.

The previous prime is 371257. The next prime is 371281. The reversal of 371261 is 162173.

It is a happy number.

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 371261 - 2² = 371257 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (371251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16865 + ... + 16886.

It is an arithmetic number, because the mean of its divisors is an integer number (101256).

2³⁷¹²⁶¹ is an apocalyptic number.

It is an amenable number.

371261 is a deficient number, since it is larger than the sum of its proper divisors (33763).

371261 is a wasteful number, since it uses less digits than its factorization.

371261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33762.

The product of its digits is 252, while the sum is 20.

The square root of 371261 is about 609.3119069902. The cubic root of 371261 is about 71.8720076889.

It can be divided in two parts, 3712 and 61, that added together give a palindrome (3773).

The spelling of 371261 in words is "three hundred seventy-one thousand, two hundred sixty-one".