1043253157 has 2 divisors, whose sum is σ = 1043253158. Its totient is φ = 1043253156.

The previous prime is 1043253149. The next prime is 1043253173. The reversal of 1043253157 is 7513523401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 912402436 + 130850721 = 30206^2 + 11439^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043253157 - 2³ = 1043253149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043253187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521626578 + 521626579.

It is an arithmetic number, because the mean of its divisors is an integer number (521626579).

Almost surely, 2^1043253157 is an apocalyptic number.

It is an amenable number.

1043253157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043253157 is an equidigital number, since it uses as much as digits as its factorization.

1043253157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 1043253157 is about 32299.4296698874. The cubic root of 1043253157 is about 1014.2147037986.

Adding to 1043253157 its reverse (7513523401), we get a palindrome (8556776558).

The spelling of 1043253157 in words is "one billion, forty-three million, two hundred fifty-three thousand, one hundred fifty-seven".