61344401 has 4 divisors (see below), whose sum is σ = 61619712. Its totient is φ = 61069092.

The previous prime is 61344397. The next prime is 61344403. The reversal of 61344401 is 10444316.

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 61344401 - 2² = 61344397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61344403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137321 + ... + 137766.

It is an arithmetic number, because the mean of its divisors is an integer number (15404928).

Almost surely, 2^61344401 is an apocalyptic number.

It is an amenable number.

61344401 is a deficient number, since it is larger than the sum of its proper divisors (275311).

61344401 is a wasteful number, since it uses less digits than its factorization.

61344401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275310.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 61344401 is about 7832.2666578711. The cubic root of 61344401 is about 394.3891664445.

Adding to 61344401 its reverse (10444316), we get a palindrome (71788717).

The spelling of 61344401 in words is "sixty-one million, three hundred forty-four thousand, four hundred one".