10157725 has 6 divisors (see below), whose sum is σ = 12595610. Its totient is φ = 8126160.

The previous prime is 10157701. The next prime is 10157729. The reversal of 10157725 is 52775101.

It can be written as a sum of positive squares in 3 ways, for example, as 2256004 + 7901721 = 1502^2 + 2811^2 .

It is not a de Polignac number, because 10157725 - 2¹³ = 10149533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10157693 and 10157702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10157729) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 203130 + ... + 203179.

Almost surely, 2^10157725 is an apocalyptic number.

It is an amenable number.

10157725 is a deficient number, since it is larger than the sum of its proper divisors (2437885).

10157725 is an equidigital number, since it uses as much as digits as its factorization.

10157725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406319 (or 406314 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 10157725 is about 3187.1186046333. The cubic root of 10157725 is about 216.5702595420.

The spelling of 10157725 in words is "ten million, one hundred fifty-seven thousand, seven hundred twenty-five".