61436541 has 8 divisors (see below), whose sum is σ = 82050624. Its totient is φ = 40890080.

The previous prime is 61436509. The next prime is 61436561. The reversal of 61436541 is 14563416.

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 61436541 - 2⁵ = 61436509 is a prime.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61436499 and 61436508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61436561) 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, 14745 + ... + 18446.

It is an arithmetic number, because the mean of its divisors is an integer number (10256328).

Almost surely, 2^61436541 is an apocalyptic number.

It is an amenable number.

61436541 is a deficient number, since it is larger than the sum of its proper divisors (20614083).

61436541 is a wasteful number, since it uses less digits than its factorization.

61436541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33811.

The product of its digits is 8640, while the sum is 30.

The square root of 61436541 is about 7838.1465283573. The cubic root of 61436541 is about 394.5865266953.

Adding to 61436541 its reverse (14563416), we get a palindrome (75999957).

The spelling of 61436541 in words is "sixty-one million, four hundred thirty-six thousand, five hundred forty-one".