613538012 has 6 divisors (see below), whose sum is σ = 1073691528. Its totient is φ = 306769004.

The previous prime is 613538011. The next prime is 613538021. The reversal of 613538012 is 210835316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613538011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76692248 + ... + 76692255.

It is an arithmetic number, because the mean of its divisors is an integer number (178948588).

Almost surely, 2^613538012 is an apocalyptic number.

It is an amenable number.

613538012 is a deficient number, since it is larger than the sum of its proper divisors (460153516).

613538012 is a wasteful number, since it uses less digits than its factorization.

613538012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153384507 (or 153384505 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 613538012 is about 24769.6994733485. The cubic root of 613538012 is about 849.7291002925.

The spelling of 613538012 in words is "six hundred thirteen million, five hundred thirty-eight thousand, twelve".