61280401 has 8 divisors (see below), whose sum is σ = 75422144. Its totient is φ = 48485520.

The previous prime is 61280353. The next prime is 61280413. The reversal of 61280401 is 10408216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61280401 - 2¹³ = 61272209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61280431) 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 7 ways as a sum of consecutive naturals, for example, 336615 + ... + 336796.

It is an arithmetic number, because the mean of its divisors is an integer number (9427768).

Almost surely, 2^61280401 is an apocalyptic number.

It is an amenable number.

61280401 is a deficient number, since it is larger than the sum of its proper divisors (14141743).

61280401 is a wasteful number, since it uses less digits than its factorization.

61280401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673431.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 61280401 is about 7828.1799289490. The cubic root of 61280401 is about 394.2519646288.

Adding to 61280401 its reverse (10408216), we get a palindrome (71688617).

The spelling of 61280401 in words is "sixty-one million, two hundred eighty thousand, four hundred one".