3620215541 has 2 divisors, whose sum is σ = 3620215542. Its totient is φ = 3620215540.

The previous prime is 3620215507. The next prime is 3620215553. The reversal of 3620215541 is 1455120263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3522897316 + 97318225 = 59354^2 + 9865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3620215541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3620215741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1810107770 + 1810107771.

It is an arithmetic number, because the mean of its divisors is an integer number (1810107771).

Almost surely, 2^3620215541 is an apocalyptic number.

It is an amenable number.

3620215541 is a deficient number, since it is larger than the sum of its proper divisors (1).

3620215541 is an equidigital number, since it uses as much as digits as its factorization.

3620215541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 3620215541 is about 60168.2270056215. The cubic root of 3620215541 is about 1535.4822820095.

The spelling of 3620215541 in words is "three billion, six hundred twenty million, two hundred fifteen thousand, five hundred forty-one".