61434563 has 8 divisors (see below), whose sum is σ = 62220000. Its totient is φ = 60652800.

The previous prime is 61434539. The next prime is 61434601. The reversal of 61434563 is 36543416.

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

It is a cyclic number.

It is not a de Polignac number, because 61434563 - 2²² = 57240259 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61434463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48563 + ... + 49811.

It is an arithmetic number, because the mean of its divisors is an integer number (7777500).

Almost surely, 2^61434563 is an apocalyptic number.

61434563 is a deficient number, since it is larger than the sum of its proper divisors (785437).

61434563 is a wasteful number, since it uses less digits than its factorization.

61434563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837.

The product of its digits is 25920, while the sum is 32.

The square root of 61434563 is about 7838.0203495526. The cubic root of 61434563 is about 394.5822919705.

Adding to 61434563 its reverse (36543416), we get a palindrome (97977979).

The spelling of 61434563 in words is "sixty-one million, four hundred thirty-four thousand, five hundred sixty-three".