915261 has 8 divisors (see below), whose sum is σ = 1237824. Its totient is φ = 601440.

The previous prime is 915259. The next prime is 915283. The reversal of 915261 is 162519.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 915261 - 2¹ = 915259 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (915221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1936 + ... + 2361.

It is an arithmetic number, because the mean of its divisors is an integer number (154728).

2⁹¹⁵²⁶¹ is an apocalyptic number.

It is an amenable number.

915261 is a deficient number, since it is larger than the sum of its proper divisors (322563).

915261 is a wasteful number, since it uses less digits than its factorization.

915261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4371.

The product of its digits is 540, while the sum is 24.

The square root of 915261 is about 956.6927406435. The cubic root of 915261 is about 97.0915987404.

It can be divided in two parts, 915 and 261, that added together give a triangular number (1176 = T₄₈).

The spelling of 915261 in words is "nine hundred fifteen thousand, two hundred sixty-one".