10172731 has 2 divisors, whose sum is σ = 10172732. Its totient is φ = 10172730.

The previous prime is 10172717. The next prime is 10172737. The reversal of 10172731 is 13727101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10172731 - 2⁵ = 10172699 is a prime.

It is a super-2 number, since 2×10172731² = 206968911996722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10172737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5086365 + 5086366.

It is an arithmetic number, because the mean of its divisors is an integer number (5086366).

Almost surely, 2^10172731 is an apocalyptic number.

10172731 is a deficient number, since it is larger than the sum of its proper divisors (1).

10172731 is an equidigital number, since it uses as much as digits as its factorization.

10172731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 10172731 is about 3189.4718998605. The cubic root of 10172731 is about 216.6768534330.

Adding to 10172731 its reverse (13727101), we get a palindrome (23899832).

The spelling of 10172731 in words is "ten million, one hundred seventy-two thousand, seven hundred thirty-one".