10252261 has 4 divisors (see below), whose sum is σ = 10262124. Its totient is φ = 10242400.

The previous prime is 10252259. The next prime is 10252271. The reversal of 10252261 is 16225201.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 8964036 + 1288225 = 2994^2 + 1135^2 .

It is a cyclic number.

It is not a de Polignac number, because 10252261 - 2¹ = 10252259 is a prime.

It is a super-2 number, since 2×10252261² = 210217711224242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10252271) 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, 3160 + ... + 5521.

It is an arithmetic number, because the mean of its divisors is an integer number (2565531).

Almost surely, 2^10252261 is an apocalyptic number.

It is an amenable number.

10252261 is a deficient number, since it is larger than the sum of its proper divisors (9863).

10252261 is an equidigital number, since it uses as much as digits as its factorization.

10252261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9862.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 10252261 is about 3201.9152081215. The cubic root of 10252261 is about 217.2400452648.

Adding to 10252261 its reverse (16225201), we get a palindrome (26477462).

The spelling of 10252261 in words is "ten million, two hundred fifty-two thousand, two hundred sixty-one".