1142525497 has 2 divisors, whose sum is σ = 1142525498. Its totient is φ = 1142525496.

The previous prime is 1142525471. The next prime is 1142525507. The reversal of 1142525497 is 7945252411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1081357456 + 61168041 = 32884^2 + 7821^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142525497 - 2¹¹ = 1142523449 is a prime.

It is a super-2 number, since 2×1142525497² = 2610729022590194018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1142525467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571262748 + 571262749.

It is an arithmetic number, because the mean of its divisors is an integer number (571262749).

Almost surely, 2^1142525497 is an apocalyptic number.

It is an amenable number.

1142525497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142525497 is an equidigital number, since it uses as much as digits as its factorization.

1142525497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 40.

The square root of 1142525497 is about 33801.2647248590. The cubic root of 1142525497 is about 1045.4147745670.

The spelling of 1142525497 in words is "one billion, one hundred forty-two million, five hundred twenty-five thousand, four hundred ninety-seven".