61424450 has 12 divisors (see below), whose sum is σ = 114249570. Its totient is φ = 24569760.

The previous prime is 61424449. The next prime is 61424453. The reversal of 61424450 is 5442416.

It can be written as a sum of positive squares in 3 ways, for example, as 51394561 + 10029889 = 7169^2 + 3167^2 .

It is not an unprimeable number, because it can be changed into a prime (61424453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 614195 + ... + 614294.

Almost surely, 2^61424450 is an apocalyptic number.

61424450 is a deficient number, since it is larger than the sum of its proper divisors (52825120).

61424450 is a wasteful number, since it uses less digits than its factorization.

61424450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228501 (or 1228496 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 61424450 is about 7837.3751983684. The cubic root of 61424450 is about 394.5606395026.

Adding to 61424450 its reverse (5442416), we get a palindrome (66866866).

The spelling of 61424450 in words is "sixty-one million, four hundred twenty-four thousand, four hundred fifty".