653213492 has 6 divisors (see below), whose sum is σ = 1143123618. Its totient is φ = 326606744.

The previous prime is 653213479. The next prime is 653213527. The reversal of 653213492 is 294312356.

It can be written as a sum of positive squares in only one way, i.e., 578113936 + 75099556 = 24044^2 + 8666^2 .

It is a super-2 number, since 2×653213492² = 853375732261668128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81651683 + ... + 81651690.

It is an arithmetic number, because the mean of its divisors is an integer number (190520603).

Almost surely, 2^653213492 is an apocalyptic number.

It is an amenable number.

653213492 is a deficient number, since it is larger than the sum of its proper divisors (489910126).

653213492 is a wasteful number, since it uses less digits than its factorization.

653213492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163303377 (or 163303375 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 653213492 is about 25558.0416307666. The cubic root of 653213492 is about 867.6642733861.

The spelling of 653213492 in words is "six hundred fifty-three million, two hundred thirteen thousand, four hundred ninety-two".