61536430 has 16 divisors (see below), whose sum is σ = 117281520. Its totient is φ = 23166592.

The previous prime is 61536407. The next prime is 61536443. The reversal of 61536430 is 3463516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180820 + ... + 181159.

It is an arithmetic number, because the mean of its divisors is an integer number (7330095).

Almost surely, 2^61536430 is an apocalyptic number.

61536430 is a deficient number, since it is larger than the sum of its proper divisors (55745090).

61536430 is a wasteful number, since it uses less digits than its factorization.

61536430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362003.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 61536430 is about 7844.5159187805. The cubic root of 61536430 is about 394.8002622062.

Adding to 61536430 its reverse (3463516), we get a palindrome (64999946).

The spelling of 61536430 in words is "sixty-one million, five hundred thirty-six thousand, four hundred thirty".