1040252531 has 2 divisors, whose sum is σ = 1040252532. Its totient is φ = 1040252530.

The previous prime is 1040252503. The next prime is 1040252537. The reversal of 1040252531 is 1352520401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1040252531 - 2⁶ = 1040252467 is a prime.

It is a super-2 number, since 2×1040252531² = 2164250656503811922, which contains 22 as substring.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 1040252497 and 1040252506.

It is not a weakly prime, because it can be changed into another prime (1040252537) 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, 520126265 + 520126266.

It is an arithmetic number, because the mean of its divisors is an integer number (520126266).

Almost surely, 2^1040252531 is an apocalyptic number.

1040252531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040252531 is an equidigital number, since it uses as much as digits as its factorization.

1040252531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1040252531 is about 32252.9460824899. The cubic root of 1040252531 is about 1013.2414017213.

Adding to 1040252531 its reverse (1352520401), we get a palindrome (2392772932).

The spelling of 1040252531 in words is "one billion, forty million, two hundred fifty-two thousand, five hundred thirty-one".