61475 has 6 divisors (see below), whose sum is σ = 76260. Its totient is φ = 49160.

The previous prime is 61471. The next prime is 61483. The reversal of 61475 is 57416.

It is not a de Polignac number, because 61475 - 2² = 61471 is a prime.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 61475.

It is not an unprimeable number, because it can be changed into a prime (61471) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 1205 + ... + 1254.

It is an arithmetic number, because the mean of its divisors is an integer number (12710).

2⁶¹⁴⁷⁵ is an apocalyptic number.

61475 is a deficient number, since it is larger than the sum of its proper divisors (14785).

61475 is a wasteful number, since it uses less digits than its factorization.

61475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469 (or 2464 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 61475 is about 247.9415253643. The cubic root of 61475 is about 39.4668845988.

The spelling of 61475 in words is "sixty-one thousand, four hundred seventy-five".