610628831 has 4 divisors (see below), whose sum is σ = 646548192. Its totient is φ = 574709472.

The previous prime is 610628813. The next prime is 610628839. The reversal of 610628831 is 138826016.

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

It is a cyclic number.

It is not a de Polignac number, because 610628831 - 2¹⁴ = 610612447 is a prime.

It is a super-2 number, since 2×610628831² = 745735138496853122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 610628791 and 610628800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610628839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17959655 + ... + 17959688.

It is an arithmetic number, because the mean of its divisors is an integer number (161637048).

Almost surely, 2^610628831 is an apocalyptic number.

610628831 is a deficient number, since it is larger than the sum of its proper divisors (35919361).

610628831 is a wasteful number, since it uses less digits than its factorization.

610628831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35919360.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 610628831 is about 24710.9051028084. The cubic root of 610628831 is about 848.3839333141.

The spelling of 610628831 in words is "six hundred ten million, six hundred twenty-eight thousand, eight hundred thirty-one".