61252443 has 40 divisors (see below), whose sum is σ = 106402560. Its totient is φ = 34389360.

The previous prime is 61252439. The next prime is 61252453. The reversal of 61252443 is 34425216.

61252443 is a `hidden beast` number, since 612 + 5 + 2 + 4 + 43 = 666.

It is not a de Polignac number, because 61252443 - 2² = 61252439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (61252403) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 32538 + ... + 34368.

It is an arithmetic number, because the mean of its divisors is an integer number (2660064).

Almost surely, 2^61252443 is an apocalyptic number.

61252443 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

61252443 is a deficient number, since it is larger than the sum of its proper divisors (45150117).

61252443 is a wasteful number, since it uses less digits than its factorization.

61252443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909 (or 1900 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 61252443 is about 7826.3939972378. The cubic root of 61252443 is about 394.1919988924.

Adding to 61252443 its reverse (34425216), we get a palindrome (95677659).

The spelling of 61252443 in words is "sixty-one million, two hundred fifty-two thousand, four hundred forty-three".