61424371 has 2 divisors, whose sum is σ = 61424372. Its totient is φ = 61424370.

The previous prime is 61424357. The next prime is 61424411. The reversal of 61424371 is 17342416.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61424371 - 2⁷ = 61424243 is a prime.

It is not a weakly prime, because it can be changed into another prime (61424351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30712185 + 30712186.

It is an arithmetic number, because the mean of its divisors is an integer number (30712186).

Almost surely, 2^61424371 is an apocalyptic number.

61424371 is a deficient number, since it is larger than the sum of its proper divisors (1).

61424371 is an equidigital number, since it uses as much as digits as its factorization.

61424371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 28.

The square root of 61424371 is about 7837.3701584141. The cubic root of 61424371 is about 394.5604703501.

Adding to 61424371 its reverse (17342416), we get a palindrome (78766787).

The spelling of 61424371 in words is "sixty-one million, four hundred twenty-four thousand, three hundred seventy-one".