197023525 has 24 divisors (see below), whose sum is σ = 250356744. Its totient is φ = 153753600.

The previous prime is 197023517. The next prime is 197023531. The reversal of 197023525 is 525320791.

It can be written as a sum of positive squares in 12 ways, for example, as 61952641 + 135070884 = 7871^2 + 11622^2 .

It is not a de Polignac number, because 197023525 - 2³ = 197023517 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 319017 + ... + 319633.

It is an arithmetic number, because the mean of its divisors is an integer number (10431531).

Almost surely, 2^197023525 is an apocalyptic number.

It is an amenable number.

197023525 is a deficient number, since it is larger than the sum of its proper divisors (53333219).

197023525 is a wasteful number, since it uses less digits than its factorization.

197023525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 197023525 is about 14036.5068660262. The cubic root of 197023525 is about 581.8879471969.

The spelling of 197023525 in words is "one hundred ninety-seven million, twenty-three thousand, five hundred twenty-five".