1052400497 has 2 divisors, whose sum is σ = 1052400498. Its totient is φ = 1052400496.

The previous prime is 1052400473. The next prime is 1052400499. The reversal of 1052400497 is 7940042501.

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., 1047752161 + 4648336 = 32369^2 + 2156^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052400497 - 2¹⁶ = 1052334961 is a prime.

It is a super-2 number, since 2×1052400497² = 2215093612171694018, which contains 22 as substring.

Together with 1052400499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1052400499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526200248 + 526200249.

It is an arithmetic number, because the mean of its divisors is an integer number (526200249).

Almost surely, 2^1052400497 is an apocalyptic number.

It is an amenable number.

1052400497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052400497 is an equidigital number, since it uses as much as digits as its factorization.

1052400497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1052400497 is about 32440.7228187043. The cubic root of 1052400497 is about 1017.1703248911.

Adding to 1052400497 its reverse (7940042501), we get a palindrome (8992442998).

The spelling of 1052400497 in words is "one billion, fifty-two million, four hundred thousand, four hundred ninety-seven".