1535362481 has 2 divisors, whose sum is σ = 1535362482. Its totient is φ = 1535362480.

The previous prime is 1535362453. The next prime is 1535362501. The reversal of 1535362481 is 1842635351.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1096669456 + 438693025 = 33116^2 + 20945^2 .

It is a cyclic number.

It is not a de Polignac number, because 1535362481 - 2⁶ = 1535362417 is a prime.

It is a super-2 number, since 2×1535362481² = 4714675896124950722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1535362441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 767681240 + 767681241.

It is an arithmetic number, because the mean of its divisors is an integer number (767681241).

Almost surely, 2^1535362481 is an apocalyptic number.

It is an amenable number.

1535362481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1535362481 is an equidigital number, since it uses as much as digits as its factorization.

1535362481 is an evil number, because the sum of its binary digits is even.

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

The square root of 1535362481 is about 39183.7017266108. The cubic root of 1535362481 is about 1153.6400054228.

The spelling of 1535362481 in words is "one billion, five hundred thirty-five million, three hundred sixty-two thousand, four hundred eighty-one".