961253 has 4 divisors (see below), whose sum is σ = 963468. Its totient is φ = 959040.

The previous prime is 961243. The next prime is 961273. The reversal of 961253 is 352169.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 352169 = 83 ⋅4243.

It can be written as a sum of positive squares in 2 ways, for example, as 667489 + 293764 = 817^2 + 542^2 .

It is a cyclic number.

It is not a de Polignac number, because 961253 - 2⁶ = 961189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 961253.

It is not an unprimeable number, because it can be changed into a prime (961243) 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, 218 + ... + 1403.

It is an arithmetic number, because the mean of its divisors is an integer number (240867).

2⁹⁶¹²⁵³ is an apocalyptic number.

It is an amenable number.

961253 is a deficient number, since it is larger than the sum of its proper divisors (2215).

961253 is a wasteful number, since it uses less digits than its factorization.

961253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214.

The product of its digits is 1620, while the sum is 26.

The square root of 961253 is about 980.4351074905. The cubic root of 961253 is about 98.6913832547.

The spelling of 961253 in words is "nine hundred sixty-one thousand, two hundred fifty-three".