1552514489 has 2 divisors, whose sum is σ = 1552514490. Its totient is φ = 1552514488.

The previous prime is 1552514479. The next prime is 1552514533. The reversal of 1552514489 is 9844152551.

It is an a-pointer prime, because the next prime (1552514533) can be obtained adding 1552514489 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 924160000 + 628354489 = 30400^2 + 25067^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1552514489 is a prime.

It is a super-2 number, since 2×1552514489² = 4820602477109862242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1552514479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776257244 + 776257245.

It is an arithmetic number, because the mean of its divisors is an integer number (776257245).

Almost surely, 2^1552514489 is an apocalyptic number.

It is an amenable number.

1552514489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552514489 is an equidigital number, since it uses as much as digits as its factorization.

1552514489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288000, while the sum is 44.

The square root of 1552514489 is about 39401.9604715298. The cubic root of 1552514489 is about 1157.9199965510.

The spelling of 1552514489 in words is "one billion, five hundred fifty-two million, five hundred fourteen thousand, four hundred eighty-nine".