10155261 has 4 divisors (see below), whose sum is σ = 13540352. Its totient is φ = 6770172.

The previous prime is 10155241. The next prime is 10155281. The reversal of 10155261 is 16255101.

10155261 is digitally balanced in base 3, 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: 16255101 = 3 ⋅5418367.

It is an interprime number because it is at equal distance from previous prime (10155241) and next prime (10155281).

It is not a de Polignac number, because 10155261 - 2¹³ = 10147069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10155241) 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, 1692541 + ... + 1692546.

It is an arithmetic number, because the mean of its divisors is an integer number (3385088).

Almost surely, 2^10155261 is an apocalyptic number.

It is an amenable number.

10155261 is a deficient number, since it is larger than the sum of its proper divisors (3385091).

10155261 is an equidigital number, since it uses as much as digits as its factorization.

10155261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385090.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 10155261 is about 3186.7320251317. The cubic root of 10155261 is about 216.5527466878.

The spelling of 10155261 in words is "ten million, one hundred fifty-five thousand, two hundred sixty-one".