610243405 has 8 divisors (see below), whose sum is σ = 752083992. Its totient is φ = 475000128.

The previous prime is 610243391. The next prime is 610243409. The reversal of 610243405 is 504342016.

It can be written as a sum of positive squares in 4 ways, for example, as 86657481 + 523585924 = 9309^2 + 22882^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 610243405 - 2¹⁵ = 610210637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 610243405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610243409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1649122 + ... + 1649491.

It is an arithmetic number, because the mean of its divisors is an integer number (94010499).

Almost surely, 2^610243405 is an apocalyptic number.

It is an amenable number.

610243405 is a deficient number, since it is larger than the sum of its proper divisors (141840587).

610243405 is a wasteful number, since it uses less digits than its factorization.

610243405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3298655.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 610243405 is about 24703.1051691888. The cubic root of 610243405 is about 848.2053971169.

The spelling of 610243405 in words is "six hundred ten million, two hundred forty-three thousand, four hundred five".