61034513 has 4 divisors (see below), whose sum is σ = 61350948. Its totient is φ = 60718080.

The previous prime is 61034507. The next prime is 61034551. The reversal of 61034513 is 31543016.

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 16785409 + 44249104 = 4097^2 + 6652^2 .

It is a cyclic number.

It is not a de Polignac number, because 61034513 - 2¹⁶ = 60968977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61034713) 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, 157928 + ... + 158313.

It is an arithmetic number, because the mean of its divisors is an integer number (15337737).

Almost surely, 2^61034513 is an apocalyptic number.

It is an amenable number.

61034513 is a deficient number, since it is larger than the sum of its proper divisors (316435).

61034513 is a wasteful number, since it uses less digits than its factorization.

61034513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316434.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 61034513 is about 7812.4588318915. The cubic root of 61034513 is about 393.7239449292.

Adding to 61034513 its reverse (31543016), we get a palindrome (92577529).

The spelling of 61034513 in words is "sixty-one million, thirty-four thousand, five hundred thirteen".