3621250397 has 2 divisors, whose sum is σ = 3621250398. Its totient is φ = 3621250396.

The previous prime is 3621250301. The next prime is 3621250439. The reversal of 3621250397 is 7930521263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2837586361 + 783664036 = 53269^2 + 27994^2 .

It is a cyclic number.

It is not a de Polignac number, because 3621250397 - 2⁸ = 3621250141 is a prime.

It is a super-2 number, since 2×3621250397² = 26226908875545315218, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3621250397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3621220397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1810625198 + 1810625199.

It is an arithmetic number, because the mean of its divisors is an integer number (1810625199).

Almost surely, 2^3621250397 is an apocalyptic number.

It is an amenable number.

3621250397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3621250397 is an equidigital number, since it uses as much as digits as its factorization.

3621250397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 3621250397 is about 60176.8260794801. The cubic root of 3621250397 is about 1535.6285763991.

The spelling of 3621250397 in words is "three billion, six hundred twenty-one million, two hundred fifty thousand, three hundred ninety-seven".