240252197 has 6 divisors (see below), whose sum is σ = 240984198. Its totient is φ = 239522184.

The previous prime is 240252167. The next prime is 240252281. The reversal of 240252197 is 791252042.

It can be written as a sum of positive squares in only one way, i.e., 125462401 + 114789796 = 11201^2 + 10714^2 .

It is not a de Polignac number, because 240252197 - 2¹⁸ = 239990053 is a prime.

It is a super-2 number, since 2×240252197² = 115442236326653618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240252107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 236663 + ... + 237675.

It is an arithmetic number, because the mean of its divisors is an integer number (40164033).

Almost surely, 2^240252197 is an apocalyptic number.

It is an amenable number.

240252197 is a deficient number, since it is larger than the sum of its proper divisors (732001).

240252197 is an frugal number, since it uses more digits than its factorization.

240252197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987 (or 1500 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 240252197 is about 15500.0708708057. The cubic root of 240252197 is about 621.6641012991.

The spelling of 240252197 in words is "two hundred forty million, two hundred fifty-two thousand, one hundred ninety-seven".