1025432407 has 2 divisors, whose sum is σ = 1025432408. Its totient is φ = 1025432406.

The previous prime is 1025432389. The next prime is 1025432531. The reversal of 1025432407 is 7042345201.

It is a weak prime.

It is an emirp because it is prime and its reverse (7042345201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1025432407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025462407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512716203 + 512716204.

It is an arithmetic number, because the mean of its divisors is an integer number (512716204).

Almost surely, 2^1025432407 is an apocalyptic number.

1025432407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025432407 is an equidigital number, since it uses as much as digits as its factorization.

1025432407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 1025432407 is about 32022.3735378875. The cubic root of 1025432407 is about 1008.4066000417.

Adding to 1025432407 its reverse (7042345201), we get a palindrome (8067777608).

The spelling of 1025432407 in words is "one billion, twenty-five million, four hundred thirty-two thousand, four hundred seven".