1481437357 has 2 divisors, whose sum is σ = 1481437358. Its totient is φ = 1481437356.

The previous prime is 1481437351. The next prime is 1481437387. The reversal of 1481437357 is 7537341841.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1276918756 + 204518601 = 35734^2 + 14301^2 .

It is a cyclic number.

It is not a de Polignac number, because 1481437357 - 2⁷ = 1481437229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1481437351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740718678 + 740718679.

It is an arithmetic number, because the mean of its divisors is an integer number (740718679).

Almost surely, 2^1481437357 is an apocalyptic number.

It is an amenable number.

1481437357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481437357 is an equidigital number, since it uses as much as digits as its factorization.

1481437357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 43.

The square root of 1481437357 is about 38489.4447478786. Note that the first 3 decimals coincide. The cubic root of 1481437357 is about 1139.9726465685.

The spelling of 1481437357 in words is "one billion, four hundred eighty-one million, four hundred thirty-seven thousand, three hundred fifty-seven".