1005412497 has 4 divisors (see below), whose sum is σ = 1340550000. Its totient is φ = 670274996.

The previous prime is 1005412489. The next prime is 1005412523. The reversal of 1005412497 is 7942145001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1005412497 - 2³ = 1005412489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1005412427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167568747 + ... + 167568752.

It is an arithmetic number, because the mean of its divisors is an integer number (335137500).

Almost surely, 2^1005412497 is an apocalyptic number.

It is an amenable number.

1005412497 is a deficient number, since it is larger than the sum of its proper divisors (335137503).

1005412497 is an equidigital number, since it uses as much as digits as its factorization.

1005412497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335137502.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 1005412497 is about 31708.2402066088. The cubic root of 1005412497 is about 1001.8009204054.

Adding to 1005412497 its reverse (7942145001), we get a palindrome (8947557498).

The spelling of 1005412497 in words is "one billion, five million, four hundred twelve thousand, four hundred ninety-seven".