690532263 has 8 divisors (see below), whose sum is σ = 1023010800. Its totient is φ = 460354824.

The previous prime is 690532207. The next prime is 690532273. The reversal of 690532263 is 362235096.

690532263 is a `hidden beast` number, since 69 + 0 + 532 + 2 + 63 = 666.

It is not a de Polignac number, because 690532263 - 2¹⁰ = 690531239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690532273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12787608 + ... + 12787661.

It is an arithmetic number, because the mean of its divisors is an integer number (127876350).

Almost surely, 2^690532263 is an apocalyptic number.

690532263 is a deficient number, since it is larger than the sum of its proper divisors (332478537).

690532263 is a wasteful number, since it uses less digits than its factorization.

690532263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25575278 (or 25575272 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 690532263 is about 26277.9805730958. The cubic root of 690532263 is about 883.8827498682.

The spelling of 690532263 in words is "six hundred ninety million, five hundred thirty-two thousand, two hundred sixty-three".