662747253 has 16 divisors (see below), whose sum is σ = 1012078080. Its totient is φ = 377896176.

The previous prime is 662747251. The next prime is 662747269. The reversal of 662747253 is 352747266.

It is not a de Polignac number, because 662747253 - 2¹ = 662747251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662747251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23983 + ... + 43596.

It is an arithmetic number, because the mean of its divisors is an integer number (63254880).

Almost surely, 2^662747253 is an apocalyptic number.

It is an amenable number.

662747253 is a deficient number, since it is larger than the sum of its proper divisors (349330827).

662747253 is a wasteful number, since it uses less digits than its factorization.

662747253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68056.

The product of its digits is 423360, while the sum is 42.

The square root of 662747253 is about 25743.8779712770. The cubic root of 662747253 is about 871.8651371863.

The spelling of 662747253 in words is "six hundred sixty-two million, seven hundred forty-seven thousand, two hundred fifty-three".