677402501 has 2 divisors, whose sum is σ = 677402502. Its totient is φ = 677402500.

The previous prime is 677402491. The next prime is 677402527. The reversal of 677402501 is 105204776.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 351600001 + 325802500 = 18751^2 + 18050^2 .

It is a cyclic number.

It is not a de Polignac number, because 677402501 - 2⁶ = 677402437 is a prime.

It is a super-2 number, since 2×677402501² = 917748296722110002, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673402501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338701250 + 338701251.

It is an arithmetic number, because the mean of its divisors is an integer number (338701251).

Almost surely, 2^677402501 is an apocalyptic number.

It is an amenable number.

677402501 is a deficient number, since it is larger than the sum of its proper divisors (1).

677402501 is an equidigital number, since it uses as much as digits as its factorization.

677402501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 677402501 is about 26026.9571982589. The cubic root of 677402501 is about 878.2448233056.

The spelling of 677402501 in words is "six hundred seventy-seven million, four hundred two thousand, five hundred one".