693475249 has 2 divisors, whose sum is σ = 693475250. Its totient is φ = 693475248.

The previous prime is 693475219. The next prime is 693475297. The reversal of 693475249 is 942574396.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 600005025 + 93470224 = 24495^2 + 9668^2 .

It is a cyclic number.

It is not a de Polignac number, because 693475249 - 2¹³ = 693467057 is a prime.

It is a super-2 number, since 2×693475249² = 961815841951224002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (693475219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346737624 + 346737625.

It is an arithmetic number, because the mean of its divisors is an integer number (346737625).

Almost surely, 2^693475249 is an apocalyptic number.

It is an amenable number.

693475249 is a deficient number, since it is larger than the sum of its proper divisors (1).

693475249 is an equidigital number, since it uses as much as digits as its factorization.

693475249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 49.

The square root of 693475249 is about 26333.9182234623. The cubic root of 693475249 is about 885.1366463118.

The spelling of 693475249 in words is "six hundred ninety-three million, four hundred seventy-five thousand, two hundred forty-nine".