10157249 has 4 divisors (see below), whose sum is σ = 10167636. Its totient is φ = 10146864.

The previous prime is 10157239. The next prime is 10157269. The reversal of 10157249 is 94275101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94275101 = 1187 ⋅79423.

It can be written as a sum of positive squares in 2 ways, for example, as 5880625 + 4276624 = 2425^2 + 2068^2 .

It is a cyclic number.

It is not a de Polignac number, because 10157249 - 2⁴ = 10157233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10157209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3554 + ... + 5739.

It is an arithmetic number, because the mean of its divisors is an integer number (2541909).

Almost surely, 2^10157249 is an apocalyptic number.

It is an amenable number.

10157249 is a deficient number, since it is larger than the sum of its proper divisors (10387).

10157249 is an equidigital number, since it uses as much as digits as its factorization.

10157249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10386.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 10157249 is about 3187.0439281566. The cubic root of 10157249 is about 216.5668765977.

The spelling of 10157249 in words is "ten million, one hundred fifty-seven thousand, two hundred forty-nine".