3645250457 has 2 divisors, whose sum is σ = 3645250458. Its totient is φ = 3645250456.

The previous prime is 3645250429. The next prime is 3645250501. The reversal of 3645250457 is 7540525463.

3645250457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2435323801 + 1209926656 = 49349^2 + 34784^2 .

It is a cyclic number.

It is not a de Polignac number, because 3645250457 - 2¹⁸ = 3644988313 is a prime.

It is not a weakly prime, because it can be changed into another prime (3645250417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822625228 + 1822625229.

It is an arithmetic number, because the mean of its divisors is an integer number (1822625229).

Almost surely, 2^3645250457 is an apocalyptic number.

It is an amenable number.

3645250457 is a deficient number, since it is larger than the sum of its proper divisors (1).

3645250457 is an equidigital number, since it uses as much as digits as its factorization.

3645250457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504000, while the sum is 41.

The square root of 3645250457 is about 60375.9095749290. The cubic root of 3645250457 is about 1539.0136002096.

The spelling of 3645250457 in words is "three billion, six hundred forty-five million, two hundred fifty thousand, four hundred fifty-seven".