690053 has 8 divisors (see below), whose sum is σ = 849408. Its totient is φ = 545904.

The previous prime is 690037. The next prime is 690059. The reversal of 690053 is 350096.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 690053 - 2⁴ = 690037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690059) 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, 3701 + ... + 3882.

It is an arithmetic number, because the mean of its divisors is an integer number (106176).

2⁶⁹⁰⁰⁵³ is an apocalyptic number.

It is an amenable number.

690053 is a deficient number, since it is larger than the sum of its proper divisors (159355).

690053 is a wasteful number, since it uses less digits than its factorization.

690053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7603.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 690053 is about 830.6942879303. The cubic root of 690053 is about 88.3678216659.

The spelling of 690053 in words is "six hundred ninety thousand, fifty-three".