2195515403 has 2 divisors, whose sum is σ = 2195515404. Its totient is φ = 2195515402.

The previous prime is 2195515373. The next prime is 2195515409. The reversal of 2195515403 is 3045155912.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2195515403 is a prime.

It is not a weakly prime, because it can be changed into another prime (2195515409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097757701 + 1097757702.

It is an arithmetic number, because the mean of its divisors is an integer number (1097757702).

Almost surely, 2^2195515403 is an apocalyptic number.

2195515403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2195515403 is an equidigital number, since it uses as much as digits as its factorization.

2195515403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 2195515403 is about 46856.3272461682. The cubic root of 2195515403 is about 1299.7071140976.

The spelling of 2195515403 in words is "two billion, one hundred ninety-five million, five hundred fifteen thousand, four hundred three".