62198009 has 2 divisors, whose sum is σ = 62198010. Its totient is φ = 62198008.

The previous prime is 62197939. The next prime is 62198027. The reversal of 62198009 is 90089126.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52243984 + 9954025 = 7228^2 + 3155^2 .

It is a cyclic number.

It is not a de Polignac number, because 62198009 - 2¹² = 62193913 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 62198009.

It is not a weakly prime, because it can be changed into another prime (62198089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31099004 + 31099005.

It is an arithmetic number, because the mean of its divisors is an integer number (31099005).

Almost surely, 2^62198009 is an apocalyptic number.

It is an amenable number.

62198009 is a deficient number, since it is larger than the sum of its proper divisors (1).

62198009 is an equidigital number, since it uses as much as digits as its factorization.

62198009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 62198009 is about 7886.5714350407. The cubic root of 62198009 is about 396.2100563119.

The spelling of 62198009 in words is "sixty-two million, one hundred ninety-eight thousand, nine".