985951253 has 4 divisors (see below), whose sum is σ = 1126801440. Its totient is φ = 845101068.

The previous prime is 985951243. The next prime is 985951259. The reversal of 985951253 is 352159589.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 985951253 - 2⁴ = 985951237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 985951198 and 985951207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985951259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70425083 + ... + 70425096.

It is an arithmetic number, because the mean of its divisors is an integer number (281700360).

Almost surely, 2^985951253 is an apocalyptic number.

It is an amenable number.

985951253 is a deficient number, since it is larger than the sum of its proper divisors (140850187).

985951253 is a wasteful number, since it uses less digits than its factorization.

985951253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140850186.

The product of its digits is 486000, while the sum is 47.

The square root of 985951253 is about 31399.8607162516. The cubic root of 985951253 is about 995.2949818562.

The spelling of 985951253 in words is "nine hundred eighty-five million, nine hundred fifty-one thousand, two hundred fifty-three".