61430450 has 24 divisors (see below), whose sum is σ = 114772788. Its totient is φ = 24462080.

The previous prime is 61430443. The next prime is 61430461. The reversal of 61430450 is 5403416.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 13169641 + 48260809 = 3629^2 + 6947^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9014 + ... + 14286.

Almost surely, 2^61430450 is an apocalyptic number.

61430450 is a deficient number, since it is larger than the sum of its proper divisors (53342338).

61430450 is a wasteful number, since it uses less digits than its factorization.

61430450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5518 (or 5513 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 61430450 is about 7837.7579702361. The cubic root of 61430450 is about 394.5734861067.

Adding to 61430450 its reverse (5403416), we get a palindrome (66833866).

The spelling of 61430450 in words is "sixty-one million, four hundred thirty thousand, four hundred fifty".