690701253 has 32 divisors (see below), whose sum is σ = 1025249280. Its totient is φ = 410106240.

The previous prime is 690701251. The next prime is 690701257. The reversal of 690701253 is 352107096.

It is not a de Polignac number, because 690701253 - 2¹ = 690701251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690701251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391788 + ... + 393546.

It is an arithmetic number, because the mean of its divisors is an integer number (32039040).

Almost surely, 2^690701253 is an apocalyptic number.

It is an amenable number.

690701253 is a deficient number, since it is larger than the sum of its proper divisors (334548027).

690701253 is a wasteful number, since it uses less digits than its factorization.

690701253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 690701253 is about 26281.1958061272. The cubic root of 690701253 is about 883.9548465058.

The spelling of 690701253 in words is "six hundred ninety million, seven hundred one thousand, two hundred fifty-three".