61436573 has 8 divisors (see below), whose sum is σ = 68656896. Its totient is φ = 54488800.

The previous prime is 61436563. The next prime is 61436591. The reversal of 61436573 is 37563416.

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 61436573 - 2⁶ = 61436509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61436503) 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, 67661 + ... + 68562.

It is an arithmetic number, because the mean of its divisors is an integer number (8582112).

Almost surely, 2^61436573 is an apocalyptic number.

It is an amenable number.

61436573 is a deficient number, since it is larger than the sum of its proper divisors (7220323).

61436573 is a wasteful number, since it uses less digits than its factorization.

61436573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136275.

The product of its digits is 45360, while the sum is 35.

The square root of 61436573 is about 7838.1485696560. The cubic root of 61436573 is about 394.5865952037.

Adding to 61436573 its reverse (37563416), we get a palindrome (98999989).

It can be divided in two parts, 61 and 436573, that added together give a palindrome (436634).

The spelling of 61436573 in words is "sixty-one million, four hundred thirty-six thousand, five hundred seventy-three".