61504141 has 4 divisors (see below), whose sum is σ = 63004284. Its totient is φ = 60004000.

The previous prime is 61504127. The next prime is 61504169. The reversal of 61504141 is 14140516.

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 24950025 + 36554116 = 4995^2 + 6046^2 .

It is a cyclic number.

It is not a de Polignac number, because 61504141 - 2¹¹ = 61502093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61504171) 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, 750010 + ... + 750091.

It is an arithmetic number, because the mean of its divisors is an integer number (15751071).

Almost surely, 2^61504141 is an apocalyptic number.

It is an amenable number.

61504141 is a deficient number, since it is larger than the sum of its proper divisors (1500143).

61504141 is a wasteful number, since it uses less digits than its factorization.

61504141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500142.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 61504141 is about 7842.4575867517. The cubic root of 61504141 is about 394.7311977732.

Adding to 61504141 its reverse (14140516), we get a palindrome (75644657).

The spelling of 61504141 in words is "sixty-one million, five hundred four thousand, one hundred forty-one".