690252573 has 8 divisors (see below), whose sum is σ = 920477248. Its totient is φ = 460098144.

The previous prime is 690252533. The next prime is 690252587. The reversal of 690252573 is 375252096.

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

It is not a de Polignac number, because 690252573 - 2²⁶ = 623143709 is a prime.

It is a super-2 number, since 2×690252573² = 952897229066240658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690252503) 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, 12936 + ... + 39342.

It is an arithmetic number, because the mean of its divisors is an integer number (115059656).

Almost surely, 2^690252573 is an apocalyptic number.

It is an amenable number.

690252573 is a deficient number, since it is larger than the sum of its proper divisors (230224675).

690252573 is a wasteful number, since it uses less digits than its factorization.

690252573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35123.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 690252573 is about 26272.6582781416. The cubic root of 690252573 is about 883.7633991568.

The spelling of 690252573 in words is "six hundred ninety million, two hundred fifty-two thousand, five hundred seventy-three".