61513334 has 4 divisors (see below), whose sum is σ = 92270004. Its totient is φ = 30756666.

The previous prime is 61513307. The next prime is 61513373. The reversal of 61513334 is 43331516.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15378332 + ... + 15378335.

It is an arithmetic number, because the mean of its divisors is an integer number (23067501).

Almost surely, 2^61513334 is an apocalyptic number.

61513334 is a deficient number, since it is larger than the sum of its proper divisors (30756670).

61513334 is a wasteful number, since it uses less digits than its factorization.

61513334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30756669.

The product of its digits is 3240, while the sum is 26.

The square root of 61513334 is about 7843.0436693926. The cubic root of 61513334 is about 394.7508635662.

The spelling of 61513334 in words is "sixty-one million, five hundred thirteen thousand, three hundred thirty-four".