10357681 has 4 divisors (see below), whose sum is σ = 10404352. Its totient is φ = 10311012.

The previous prime is 10357667. The next prime is 10357687. The reversal of 10357681 is 18675301.

10357681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an emirpimes, since its reverse is a distinct semiprime: 18675301 = 839 ⋅22259.

It is a cyclic number.

It is not a de Polignac number, because 10357681 - 2⁵ = 10357649 is a prime.

It is a super-3 number, since 3×10357681³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10357687) 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, 23001 + ... + 23446.

It is an arithmetic number, because the mean of its divisors is an integer number (2601088).

Almost surely, 2^10357681 is an apocalyptic number.

It is an amenable number.

10357681 is a deficient number, since it is larger than the sum of its proper divisors (46671).

10357681 is an equidigital number, since it uses as much as digits as its factorization.

10357681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46670.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 10357681 is about 3218.3351286030. The cubic root of 10357681 is about 217.9821058174.

The spelling of 10357681 in words is "ten million, three hundred fifty-seven thousand, six hundred eighty-one".