1040152481 has 2 divisors, whose sum is σ = 1040152482. Its totient is φ = 1040152480.

The previous prime is 1040152459. The next prime is 1040152513. The reversal of 1040152481 is 1842510401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 729864256 + 310288225 = 27016^2 + 17615^2 .

It is an emirp because it is prime and its reverse (1842510401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1040152481 - 2⁶ = 1040152417 is a prime.

It is a super-2 number, since 2×1040152481² = 2163834367460910722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1040152481.

It is not a weakly prime, because it can be changed into another prime (1040152181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520076240 + 520076241.

It is an arithmetic number, because the mean of its divisors is an integer number (520076241).

Almost surely, 2^1040152481 is an apocalyptic number.

It is an amenable number.

1040152481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040152481 is an equidigital number, since it uses as much as digits as its factorization.

1040152481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 1040152481 is about 32251.3950240916. The cubic root of 1040152481 is about 1013.2089166437.

Adding to 1040152481 its reverse (1842510401), we get a palindrome (2882662882).

The spelling of 1040152481 in words is "one billion, forty million, one hundred fifty-two thousand, four hundred eighty-one".