10172052697 has 8 divisors (see below), whose sum is σ = 10793984616. Its totient is φ = 9552740352.

The previous prime is 10172052677. The next prime is 10172052713. The reversal of 10172052697 is 79625027101.

It can be written as a sum of positive squares in 4 ways, for example, as 7120153161 + 3051899536 = 84381^2 + 55244^2 .

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 10172052697 - 2²³ = 10163664089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10172052677) 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, 646888 + ... + 662425.

It is an arithmetic number, because the mean of its divisors is an integer number (1349248077).

Almost surely, 2^10172052697 is an apocalyptic number.

10172052697 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

10172052697 is a deficient number, since it is larger than the sum of its proper divisors (621931919).

10172052697 is a wasteful number, since it uses less digits than its factorization.

10172052697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309787.

The product of its (nonzero) digits is 52920, while the sum is 40.

Adding to 10172052697 its reverse (79625027101), we get a palindrome (89797079798).

The spelling of 10172052697 in words is "ten billion, one hundred seventy-two million, fifty-two thousand, six hundred ninety-seven".