774530461 has 2 divisors, whose sum is σ = 774530462. Its totient is φ = 774530460.

The previous prime is 774530447. The next prime is 774530473. The reversal of 774530461 is 164035477.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 730891225 + 43639236 = 27035^2 + 6606^2 .

It is a cyclic number.

It is not a de Polignac number, because 774530461 - 2¹³ = 774522269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 774530461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (774537461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387265230 + 387265231.

It is an arithmetic number, because the mean of its divisors is an integer number (387265231).

Almost surely, 2^774530461 is an apocalyptic number.

It is an amenable number.

774530461 is a deficient number, since it is larger than the sum of its proper divisors (1).

774530461 is an equidigital number, since it uses as much as digits as its factorization.

774530461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 774530461 is about 27830.3873670490. The cubic root of 774530461 is about 918.3597352395.

The spelling of 774530461 in words is "seven hundred seventy-four million, five hundred thirty thousand, four hundred sixty-one".