61274 has 4 divisors (see below), whose sum is σ = 91914. Its totient is φ = 30636.

The previous prime is 61261. The next prime is 61283. The reversal of 61274 is 47216.

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

It can be written as a sum of positive squares in only one way, i.e., 37249 + 24025 = 193^2 + 155^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 15317 + ... + 15320.

2⁶¹²⁷⁴ is an apocalyptic number.

61274 is a deficient number, since it is larger than the sum of its proper divisors (30640).

61274 is a wasteful number, since it uses less digits than its factorization.

61274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30639.

The product of its digits is 336, while the sum is 20.

The square root of 61274 is about 247.5358559886. The cubic root of 61274 is about 39.4238237049.

It can be divided in two parts, 612 and 74, that added together give a palindrome (686).

The spelling of 61274 in words is "sixty-one thousand, two hundred seventy-four".