736261 has 4 divisors (see below), whose sum is σ = 748800. Its totient is φ = 723724.

The previous prime is 736259. The next prime is 736273. The reversal of 736261 is 162637.

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: 162637 = 103 ⋅1579.

It is a cyclic number.

It is not a de Polignac number, because 736261 - 2¹ = 736259 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 (736061) 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, 6181 + ... + 6298.

It is an arithmetic number, because the mean of its divisors is an integer number (187200).

2⁷³⁶²⁶¹ is an apocalyptic number.

It is an amenable number.

736261 is a deficient number, since it is larger than the sum of its proper divisors (12539).

736261 is a wasteful number, since it uses less digits than its factorization.

736261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12538.

The product of its digits is 1512, while the sum is 25.

The square root of 736261 is about 858.0565249446. The cubic root of 736261 is about 90.2978199780.

Adding to 736261 its reverse (162637), we get a palindrome (898898).

The spelling of 736261 in words is "seven hundred thirty-six thousand, two hundred sixty-one".