610534994 has 4 divisors (see below), whose sum is σ = 915802494. Its totient is φ = 305267496.

The previous prime is 610534993. The next prime is 610535011. The reversal of 610534994 is 499435016.

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

It can be written as a sum of positive squares in only one way, i.e., 606981769 + 3553225 = 24637^2 + 1885^2 .

It is a super-3 number, since 3×610534994³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (610534993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152633747 + ... + 152633750.

Almost surely, 2^610534994 is an apocalyptic number.

610534994 is a deficient number, since it is larger than the sum of its proper divisors (305267500).

610534994 is a wasteful number, since it uses less digits than its factorization.

610534994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305267499.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 610534994 is about 24709.0063337237. The cubic root of 610534994 is about 848.3404732625.

The spelling of 610534994 in words is "six hundred ten million, five hundred thirty-four thousand, nine hundred ninety-four".