610469021 has 2 divisors, whose sum is σ = 610469022. Its totient is φ = 610469020.

The previous prime is 610469009. The next prime is 610469023. The reversal of 610469021 is 120964016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 498405625 + 112063396 = 22325^2 + 10586^2 .

It is a cyclic number.

It is not a de Polignac number, because 610469021 - 2²² = 606274717 is a prime.

Together with 610469023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (610469023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305234510 + 305234511.

It is an arithmetic number, because the mean of its divisors is an integer number (305234511).

Almost surely, 2^610469021 is an apocalyptic number.

It is an amenable number.

610469021 is a deficient number, since it is larger than the sum of its proper divisors (1).

610469021 is an equidigital number, since it uses as much as digits as its factorization.

610469021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 610469021 is about 24707.6712986068. The cubic root of 610469021 is about 848.3099155917.

The spelling of 610469021 in words is "six hundred ten million, four hundred sixty-nine thousand, twenty-one".