772465531 has 2 divisors, whose sum is σ = 772465532. Its totient is φ = 772465530.

The previous prime is 772465523. The next prime is 772465537. The reversal of 772465531 is 135564277.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 772465531 - 2³ = 772465523 is a prime.

It is a super-2 number, since 2×772465531² = 1193405993166223922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (772465537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386232765 + 386232766.

It is an arithmetic number, because the mean of its divisors is an integer number (386232766).

Almost surely, 2^772465531 is an apocalyptic number.

772465531 is a deficient number, since it is larger than the sum of its proper divisors (1).

772465531 is an equidigital number, since it uses as much as digits as its factorization.

772465531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 176400, while the sum is 40.

The square root of 772465531 is about 27793.2641300010. The cubic root of 772465531 is about 917.5428806366.

The spelling of 772465531 in words is "seven hundred seventy-two million, four hundred sixty-five thousand, five hundred thirty-one".