610725407 has 2 divisors, whose sum is σ = 610725408. Its totient is φ = 610725406.

The previous prime is 610725403. The next prime is 610725439. The reversal of 610725407 is 704527016.

It is an a-pointer prime, because the next prime (610725439) can be obtained adding 610725407 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 610725407 - 2² = 610725403 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (610725403) 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 as a sum of consecutive naturals, namely, 305362703 + 305362704.

It is an arithmetic number, because the mean of its divisors is an integer number (305362704).

Almost surely, 2^610725407 is an apocalyptic number.

610725407 is a deficient number, since it is larger than the sum of its proper divisors (1).

610725407 is an equidigital number, since it uses as much as digits as its factorization.

610725407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 610725407 is about 24712.8591425598. The cubic root of 610725407 is about 848.4286572683.

The spelling of 610725407 in words is "six hundred ten million, seven hundred twenty-five thousand, four hundred seven".