61422461 has 4 divisors (see below), whose sum is σ = 61667424. Its totient is φ = 61177500.

The previous prime is 61422457. The next prime is 61422499. The reversal of 61422461 is 16422416.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61422461 - 2² = 61422457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61422461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61442461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122105 + ... + 122606.

It is an arithmetic number, because the mean of its divisors is an integer number (15416856).

Almost surely, 2^61422461 is an apocalyptic number.

It is an amenable number.

61422461 is a deficient number, since it is larger than the sum of its proper divisors (244963).

61422461 is a wasteful number, since it uses less digits than its factorization.

61422461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244962.

The product of its digits is 2304, while the sum is 26.

The square root of 61422461 is about 7837.2483053684. The cubic root of 61422461 is about 394.5563806688.

Adding to 61422461 its reverse (16422416), we get a palindrome (77844877).

The spelling of 61422461 in words is "sixty-one million, four hundred twenty-two thousand, four hundred sixty-one".