61479 has 24 divisors (see below), whose sum is σ = 104832. Its totient is φ = 35640.

The previous prime is 61471. The next prime is 61483. The reversal of 61479 is 97416.

61479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61479 - 2³ = 61471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 (61471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2662 + ... + 2684.

It is an arithmetic number, because the mean of its divisors is an integer number (4368).

2⁶¹⁴⁷⁹ is an apocalyptic number.

61479 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

61479 is a deficient number, since it is larger than the sum of its proper divisors (43353).

61479 is a wasteful number, since it uses less digits than its factorization.

61479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49 (or 37 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 61479 is about 247.9495916512. The cubic root of 61479 is about 39.4677405788.

Subtracting 61479 from its reverse (97416), we obtain a cube (35937 = 33³).

It can be divided in two parts, 6 and 1479, that added together give a triangular number (1485 = T₅₄).

The spelling of 61479 in words is "sixty-one thousand, four hundred seventy-nine".