97201455 has 16 divisors (see below), whose sum is σ = 167485920. Its totient is φ = 47852928.

The previous prime is 97201453. The next prime is 97201459. The reversal of 97201455 is 55410279.

It is not a de Polignac number, because 97201455 - 2¹ = 97201453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97201451) 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, 249040 + ... + 249429.

It is an arithmetic number, because the mean of its divisors is an integer number (10467870).

Almost surely, 2^97201455 is an apocalyptic number.

97201455 is a deficient number, since it is larger than the sum of its proper divisors (70284465).

97201455 is a wasteful number, since it uses less digits than its factorization.

97201455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498490.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 97201455 is about 9859.0798252170. The cubic root of 97201455 is about 459.7879536227.

It can be divided in two parts, 9720 and 1455, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 97201455 in words is "ninety-seven million, two hundred one thousand, four hundred fifty-five".