1552381463 has 2 divisors, whose sum is σ = 1552381464. Its totient is φ = 1552381462.

The previous prime is 1552381459. The next prime is 1552381511. The reversal of 1552381463 is 3641832551.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1552381463 - 2² = 1552381459 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1552381763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776190731 + 776190732.

It is an arithmetic number, because the mean of its divisors is an integer number (776190732).

Almost surely, 2^1552381463 is an apocalyptic number.

1552381463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552381463 is an equidigital number, since it uses as much as digits as its factorization.

1552381463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 38.

The square root of 1552381463 is about 39400.2723721550. The cubic root of 1552381463 is about 1157.8869237807.

The spelling of 1552381463 in words is "one billion, five hundred fifty-two million, three hundred eighty-one thousand, four hundred sixty-three".