61043529 has 4 divisors (see below), whose sum is σ = 81391376. Its totient is φ = 40695684.

The previous prime is 61043527. The next prime is 61043539. The reversal of 61043529 is 92534016.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 61043529 - 2¹ = 61043527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61043496 and 61043505.

It is not an unprimeable number, because it can be changed into a prime (61043527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10173919 + ... + 10173924.

It is an arithmetic number, because the mean of its divisors is an integer number (20347844).

Almost surely, 2^61043529 is an apocalyptic number.

It is an amenable number.

61043529 is a deficient number, since it is larger than the sum of its proper divisors (20347847).

61043529 is a wasteful number, since it uses less digits than its factorization.

61043529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20347846.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 61043529 is about 7813.0358376242. The cubic root of 61043529 is about 393.7433309024.

The spelling of 61043529 in words is "sixty-one million, forty-three thousand, five hundred twenty-nine".