415263997 has 4 divisors (see below), whose sum is σ = 415310976. Its totient is φ = 415217020.

The previous prime is 415263917. The next prime is 415264033. The reversal of 415263997 is 799362514.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-415263997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (415263907) 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, 5779 + ... + 29392.

It is an arithmetic number, because the mean of its divisors is an integer number (103827744).

Almost surely, 2^415263997 is an apocalyptic number.

It is an amenable number.

415263997 is a deficient number, since it is larger than the sum of its proper divisors (46979).

415263997 is a wasteful number, since it uses less digits than its factorization.

415263997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46978.

The product of its digits is 408240, while the sum is 46.

The square root of 415263997 is about 20378.0273088442. The cubic root of 415263997 is about 746.0617247741.

The spelling of 415263997 in words is "four hundred fifteen million, two hundred sixty-three thousand, nine hundred ninety-seven".