75262813 has 2 divisors, whose sum is σ = 75262814. Its totient is φ = 75262812.

The previous prime is 75262807. The next prime is 75262841. The reversal of 75262813 is 31826257.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75116889 + 145924 = 8667^2 + 382^2 .

It is an emirp because it is prime and its reverse (31826257) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75262813 - 2¹⁷ = 75131741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75262843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37631406 + 37631407.

It is an arithmetic number, because the mean of its divisors is an integer number (37631407).

Almost surely, 2^75262813 is an apocalyptic number.

It is an amenable number.

75262813 is a deficient number, since it is larger than the sum of its proper divisors (1).

75262813 is an equidigital number, since it uses as much as digits as its factorization.

75262813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 34.

The square root of 75262813 is about 8675.4142840558. The cubic root of 75262813 is about 422.2083474383.

The spelling of 75262813 in words is "seventy-five million, two hundred sixty-two thousand, eight hundred thirteen".