61492 has 6 divisors (see below), whose sum is σ = 107618. Its totient is φ = 30744.

The previous prime is 61487. The next prime is 61493. The reversal of 61492 is 29416.

It can be written as a sum of positive squares in only one way, i.e., 34596 + 26896 = 186^2 + 164^2 .

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

It is a plaindrome in base 15.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61493) by changing a digit.

61492 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7683 + ... + 7690.

2⁶¹⁴⁹² is an apocalyptic number.

It is an amenable number.

61492 is a deficient number, since it is larger than the sum of its proper divisors (46126).

61492 is a wasteful number, since it uses less digits than its factorization.

61492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15377 (or 15375 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 61492 is about 247.9758052714. The cubic root of 61492 is about 39.4705222574.

The spelling of 61492 in words is "sixty-one thousand, four hundred ninety-two".