61430 has 8 divisors (see below), whose sum is σ = 110592. Its totient is φ = 24568.

The previous prime is 61417. The next prime is 61441. The reversal of 61430 is 3416.

It is a sphenic number, since it is the product of 3 distinct primes.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

61430 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3062 + ... + 3081.

It is an arithmetic number, because the mean of its divisors is an integer number (13824).

2⁶¹⁴³⁰ is an apocalyptic number.

61430 is a deficient number, since it is larger than the sum of its proper divisors (49162).

61430 is a wasteful number, since it uses less digits than its factorization.

61430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6150.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 61430 is about 247.8507615482. The cubic root of 61430 is about 39.4572522640.

Subtracting from 61430 its sum of digits (14), we obtain a palindrome (61416).

Adding to 61430 its reverse (3416), we get a palindrome (64846).

The spelling of 61430 in words is "sixty-one thousand, four hundred thirty".