610021057 has 4 divisors (see below), whose sum is σ = 611720640. Its totient is φ = 608321476.

The previous prime is 610021021. The next prime is 610021063. The reversal of 610021057 is 750120016.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 610021057 - 2¹¹ = 610019009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (610021067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849253 + ... + 849970.

It is an arithmetic number, because the mean of its divisors is an integer number (152930160).

Almost surely, 2^610021057 is an apocalyptic number.

It is an amenable number.

610021057 is a deficient number, since it is larger than the sum of its proper divisors (1699583).

610021057 is a wasteful number, since it uses less digits than its factorization.

610021057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699582.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 610021057 is about 24698.6043532828. The cubic root of 610021057 is about 848.1023673628.

The spelling of 610021057 in words is "six hundred ten million, twenty-one thousand, fifty-seven".