61394299 has 4 divisors (see below), whose sum is σ = 62552736. Its totient is φ = 60235864.

The previous prime is 61394287. The next prime is 61394309. The reversal of 61394299 is 99249316.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61394299 - 2⁷ = 61394171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61394209) 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, 579139 + ... + 579244.

It is an arithmetic number, because the mean of its divisors is an integer number (15638184).

Almost surely, 2^61394299 is an apocalyptic number.

61394299 is a deficient number, since it is larger than the sum of its proper divisors (1158437).

61394299 is a wasteful number, since it uses less digits than its factorization.

61394299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158436.

The product of its digits is 104976, while the sum is 43.

The square root of 61394299 is about 7835.4514228601. The cubic root of 61394299 is about 394.4960705084.

The spelling of 61394299 in words is "sixty-one million, three hundred ninety-four thousand, two hundred ninety-nine".