961357 has 4 divisors (see below), whose sum is σ = 963676. Its totient is φ = 959040.

The previous prime is 961339. The next prime is 961393. The reversal of 961357 is 753169.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 753169 = 421 ⋅1789.

It can be written as a sum of positive squares in 2 ways, for example, as 434281 + 527076 = 659^2 + 726^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-961357 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 (961397) 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, 348 + ... + 1429.

It is an arithmetic number, because the mean of its divisors is an integer number (240919).

2⁹⁶¹³⁵⁷ is an apocalyptic number.

It is an amenable number.

961357 is a deficient number, since it is larger than the sum of its proper divisors (2319).

961357 is a wasteful number, since it uses less digits than its factorization.

961357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318.

The product of its digits is 5670, while the sum is 31.

The square root of 961357 is about 980.4881437325. The cubic root of 961357 is about 98.6949423364.

The spelling of 961357 in words is "nine hundred sixty-one thousand, three hundred fifty-seven".