61453043 has 4 divisors (see below), whose sum is σ = 62494680. Its totient is φ = 60411408.

The previous prime is 61453037. The next prime is 61453081. The reversal of 61453043 is 34035416.

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

It is a cyclic number.

It is not a de Polignac number, because 61453043 - 2¹⁶ = 61387507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61453013) 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, 520730 + ... + 520847.

It is an arithmetic number, because the mean of its divisors is an integer number (15623670).

Almost surely, 2^61453043 is an apocalyptic number.

61453043 is a deficient number, since it is larger than the sum of its proper divisors (1041637).

61453043 is a wasteful number, since it uses less digits than its factorization.

61453043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041636.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 61453043 is about 7839.1991300132. The cubic root of 61453043 is about 394.6218524902.

Adding to 61453043 its reverse (34035416), we get a palindrome (95488459).

The spelling of 61453043 in words is "sixty-one million, four hundred fifty-three thousand, forty-three".