197361550 has 48 divisors (see below), whose sum is σ = 391224960. Its totient is φ = 73859040.

The previous prime is 197361539. The next prime is 197361553. The reversal of 197361550 is 55163791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197361553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77599 + ... + 80101.

It is an arithmetic number, because the mean of its divisors is an integer number (8150520).

Almost surely, 2^197361550 is an apocalyptic number.

197361550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197361550 is a deficient number, since it is larger than the sum of its proper divisors (193863410).

197361550 is a wasteful number, since it uses less digits than its factorization.

197361550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2617 (or 2612 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 197361550 is about 14048.5426290416. The cubic root of 197361550 is about 582.2205306530.

The spelling of 197361550 in words is "one hundred ninety-seven million, three hundred sixty-one thousand, five hundred fifty".