61394297 has 4 divisors (see below), whose sum is σ = 62171520. Its totient is φ = 60617076.

The previous prime is 61394287. The next prime is 61394309. The reversal of 61394297 is 79249316.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61394297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61394287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388493 + ... + 388650.

It is an arithmetic number, because the mean of its divisors is an integer number (15542880).

Almost surely, 2^61394297 is an apocalyptic number.

It is an amenable number.

61394297 is a deficient number, since it is larger than the sum of its proper divisors (777223).

61394297 is an equidigital number, since it uses as much as digits as its factorization.

61394297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777222.

The product of its digits is 81648, while the sum is 41.

The square root of 61394297 is about 7835.4512952350. The cubic root of 61394297 is about 394.4960662247.

The spelling of 61394297 in words is "sixty-one million, three hundred ninety-four thousand, two hundred ninety-seven".