1032400247 has 2 divisors, whose sum is σ = 1032400248. Its totient is φ = 1032400246.

The previous prime is 1032400219. The next prime is 1032400249. The reversal of 1032400247 is 7420042301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1032400247 - 2¹⁰ = 1032399223 is a prime.

It is a super-2 number, since 2×1032400247² = 2131700540011322018, which contains 22 as substring.

Together with 1032400249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1032400249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516200123 + 516200124.

It is an arithmetic number, because the mean of its divisors is an integer number (516200124).

Almost surely, 2^1032400247 is an apocalyptic number.

1032400247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1032400247 is an equidigital number, since it uses as much as digits as its factorization.

1032400247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 1032400247 is about 32130.9857769724. The cubic root of 1032400247 is about 1010.6854958230.

Adding to 1032400247 its reverse (7420042301), we get a palindrome (8452442548).

The spelling of 1032400247 in words is "one billion, thirty-two million, four hundred thousand, two hundred forty-seven".