746531 has 2 divisors, whose sum is σ = 746532. Its totient is φ = 746530.

The previous prime is 746509. The next prime is 746533. The reversal of 746531 is 135647.

It is a strong prime.

It is an emirp because it is prime and its reverse (135647) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-746531 is a prime.

It is a super-2 number, since 2×746531² = 1114617067922, which contains 22 as substring.

Together with 746533, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 746531.

It is not a weakly prime, because it can be changed into another prime (746533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373265 + 373266.

It is an arithmetic number, because the mean of its divisors is an integer number (373266).

2⁷⁴⁶⁵³¹ is an apocalyptic number.

746531 is a deficient number, since it is larger than the sum of its proper divisors (1).

746531 is an equidigital number, since it uses as much as digits as its factorization.

746531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 26.

The square root of 746531 is about 864.0202543922. The cubic root of 746531 is about 90.7157333055.

The spelling of 746531 in words is "seven hundred forty-six thousand, five hundred thirty-one".