61240443 has 32 divisors (see below), whose sum is σ = 95012352. Its totient is φ = 34675200.

The previous prime is 61240433. The next prime is 61240453. The reversal of 61240443 is 34404216.

It is an interprime number because it is at equal distance from previous prime (61240433) and next prime (61240453).

It is not a de Polignac number, because 61240443 - 2⁶ = 61240379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61240423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96738 + ... + 97368.

It is an arithmetic number, because the mean of its divisors is an integer number (2969136).

Almost surely, 2^61240443 is an apocalyptic number.

61240443 is a deficient number, since it is larger than the sum of its proper divisors (33771909).

61240443 is a wasteful number, since it uses less digits than its factorization.

61240443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 61240443 is about 7825.6273230969. The cubic root of 61240443 is about 394.1662550870.

Adding to 61240443 its reverse (34404216), we get a palindrome (95644659).

The spelling of 61240443 in words is "sixty-one million, two hundred forty thousand, four hundred forty-three".