61414421 has 4 divisors (see below), whose sum is σ = 65027052. Its totient is φ = 57801792.

The previous prime is 61414399. The next prime is 61414427. The reversal of 61414421 is 12441416.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38613796 + 22800625 = 6214^2 + 4775^2 .

It is a cyclic number.

It is not a de Polignac number, because 61414421 - 2⁶ = 61414357 is a prime.

It is a super-2 number, since 2×61414421² = 7543462213530482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61414427) 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, 1806290 + ... + 1806323.

It is an arithmetic number, because the mean of its divisors is an integer number (16256763).

Almost surely, 2^61414421 is an apocalyptic number.

It is an amenable number.

61414421 is a deficient number, since it is larger than the sum of its proper divisors (3612631).

61414421 is a wasteful number, since it uses less digits than its factorization.

61414421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3612630.

The product of its digits is 768, while the sum is 23.

The square root of 61414421 is about 7836.7353534492. The cubic root of 61414421 is about 394.5391645361.

Adding to 61414421 its reverse (12441416), we get a palindrome (73855837).

The spelling of 61414421 in words is "sixty-one million, four hundred fourteen thousand, four hundred twenty-one".