1481772403 has 2 divisors, whose sum is σ = 1481772404. Its totient is φ = 1481772402.

The previous prime is 1481772367. The next prime is 1481772407. The reversal of 1481772403 is 3042771841.

It is a strong prime.

It is an emirp because it is prime and its reverse (3042771841) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1481772403 is a prime.

It is not a weakly prime, because it can be changed into another prime (1481772407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740886201 + 740886202.

It is an arithmetic number, because the mean of its divisors is an integer number (740886202).

Almost surely, 2^1481772403 is an apocalyptic number.

1481772403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481772403 is an equidigital number, since it uses as much as digits as its factorization.

1481772403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 1481772403 is about 38493.7969418451. The cubic root of 1481772403 is about 1140.0585798871.

The spelling of 1481772403 in words is "one billion, four hundred eighty-one million, seven hundred seventy-two thousand, four hundred three".