403053697 has 8 divisors (see below), whose sum is σ = 429483816. Its totient is φ = 376925952.

The previous prime is 403053671. The next prime is 403053701. The reversal of 403053697 is 796350304.

It can be written as a sum of positive squares in 4 ways, for example, as 3013696 + 400040001 = 1736^2 + 20001^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 403053697 - 2⁷ = 403053569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403053647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72838 + ... + 78175.

It is an arithmetic number, because the mean of its divisors is an integer number (53685477).

Almost surely, 2^403053697 is an apocalyptic number.

It is an amenable number.

403053697 is a deficient number, since it is larger than the sum of its proper divisors (26430119).

403053697 is a wasteful number, since it uses less digits than its factorization.

403053697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151187.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 403053697 is about 20076.1972743844. The cubic root of 403053697 is about 738.6765344855.

The spelling of 403053697 in words is "four hundred three million, fifty-three thousand, six hundred ninety-seven".