97950653 has 4 divisors (see below), whose sum is σ = 98101308. Its totient is φ = 97800000.

The previous prime is 97950649. The next prime is 97950673. The reversal of 97950653 is 35605979.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35605979 = 359 ⋅99181.

It can be written as a sum of positive squares in 2 ways, for example, as 28111204 + 69839449 = 5302^2 + 8357^2 .

It is a cyclic number.

It is not a de Polignac number, because 97950653 - 2² = 97950649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97950613) 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, 74348 + ... + 75653.

It is an arithmetic number, because the mean of its divisors is an integer number (24525327).

Almost surely, 2^97950653 is an apocalyptic number.

It is an amenable number.

97950653 is a deficient number, since it is larger than the sum of its proper divisors (150655).

97950653 is a wasteful number, since it uses less digits than its factorization.

97950653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150654.

The product of its (nonzero) digits is 255150, while the sum is 44.

The square root of 97950653 is about 9897.0022228956. The cubic root of 97950653 is about 460.9662314516.

Subtracting from 97950653 its sum of digits (44), we obtain a square (97950609 = 9897²).

The spelling of 97950653 in words is "ninety-seven million, nine hundred fifty thousand, six hundred fifty-three".