741531 has 8 divisors (see below), whose sum is σ = 1129984. Its totient is φ = 423720.

The previous prime is 741509. The next prime is 741541. The reversal of 741531 is 135147.

741531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 741531 - 2⁶ = 741467 is a prime.

It is a super-2 number, since 2×741531² = 1099736447922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 35311 = 741531 / (7 + 4 + 1 + 5 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 741498 and 741507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (741541) 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, 17635 + ... + 17676.

It is an arithmetic number, because the mean of its divisors is an integer number (141248).

2⁷⁴¹⁵³¹ is an apocalyptic number.

741531 is a deficient number, since it is larger than the sum of its proper divisors (388453).

741531 is a wasteful number, since it uses less digits than its factorization.

741531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35321.

The product of its digits is 420, while the sum is 21.

The square root of 741531 is about 861.1219425842. The cubic root of 741531 is about 90.5127521890.

Adding to 741531 its reverse (135147), we get a palindrome (876678).

The spelling of 741531 in words is "seven hundred forty-one thousand, five hundred thirty-one".