751481 has 2 divisors, whose sum is σ = 751482. Its totient is φ = 751480.

The previous prime is 751463. The next prime is 751523. The reversal of 751481 is 184157.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 739600 + 11881 = 860^2 + 109^2 .

It is an emirp because it is prime and its reverse (184157) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 751481 - 2¹⁰ = 750457 is a prime.

It is a super-2 number, since 2×751481² = 1129447386722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 751481.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 751481.

It is not a weakly prime, because it can be changed into another prime (751411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 375740 + 375741.

It is an arithmetic number, because the mean of its divisors is an integer number (375741).

2⁷⁵¹⁴⁸¹ is an apocalyptic number.

It is an amenable number.

751481 is a deficient number, since it is larger than the sum of its proper divisors (1).

751481 is an equidigital number, since it uses as much as digits as its factorization.

751481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1120, while the sum is 26.

The square root of 751481 is about 866.8800378368. The cubic root of 751481 is about 90.9157937785.

The spelling of 751481 in words is "seven hundred fifty-one thousand, four hundred eighty-one".