61314421 has 8 divisors (see below), whose sum is σ = 70196544. Its totient is φ = 52463040.

The previous prime is 61314413. The next prime is 61314437. The reversal of 61314421 is 12441316.

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

It is not a de Polignac number, because 61314421 - 2³ = 61314413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61314392 and 61314401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61314401) 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, 3235 + ... + 11536.

It is an arithmetic number, because the mean of its divisors is an integer number (8774568).

Almost surely, 2^61314421 is an apocalyptic number.

It is an amenable number.

61314421 is a deficient number, since it is larger than the sum of its proper divisors (8882123).

61314421 is a wasteful number, since it uses less digits than its factorization.

61314421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15371.

The product of its digits is 576, while the sum is 22.

The square root of 61314421 is about 7830.3525463417. The cubic root of 61314421 is about 394.3249078559.

Adding to 61314421 its reverse (12441316), we get a palindrome (73755737).

The spelling of 61314421 in words is "sixty-one million, three hundred fourteen thousand, four hundred twenty-one".