61589453 has 4 divisors (see below), whose sum is σ = 65212380. Its totient is φ = 57966528.

The previous prime is 61589449. The next prime is 61589483. The reversal of 61589453 is 35498516.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43586404 + 18003049 = 6602^2 + 4243^2 .

It is a cyclic number.

It is not a de Polignac number, because 61589453 - 2² = 61589449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61589453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61589483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1811438 + ... + 1811471.

It is an arithmetic number, because the mean of its divisors is an integer number (16303095).

Almost surely, 2^61589453 is an apocalyptic number.

It is an amenable number.

61589453 is a deficient number, since it is larger than the sum of its proper divisors (3622927).

61589453 is a wasteful number, since it uses less digits than its factorization.

61589453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622926.

The product of its digits is 129600, while the sum is 41.

The square root of 61589453 is about 7847.8948132604. The cubic root of 61589453 is about 394.9136231574.

The spelling of 61589453 in words is "sixty-one million, five hundred eighty-nine thousand, four hundred fifty-three".