61223401 has 8 divisors (see below), whose sum is σ = 63978624. Its totient is φ = 58476000.

The previous prime is 61223389. The next prime is 61223411. The reversal of 61223401 is 10432216.

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 61223401 - 2¹¹ = 61221353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61223411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18901 + ... + 21901.

It is an arithmetic number, because the mean of its divisors is an integer number (7997328).

Almost surely, 2^61223401 is an apocalyptic number.

It is an amenable number.

61223401 is a deficient number, since it is larger than the sum of its proper divisors (2755223).

61223401 is a wasteful number, since it uses less digits than its factorization.

61223401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3911.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 61223401 is about 7824.5383889403. The cubic root of 61223401 is about 394.1296888126.

Adding to 61223401 its reverse (10432216), we get a palindrome (71655617).

The spelling of 61223401 in words is "sixty-one million, two hundred twenty-three thousand, four hundred one".