61214306 has 4 divisors (see below), whose sum is σ = 91821462. Its totient is φ = 30607152.

The previous prime is 61214303. The next prime is 61214323. The reversal of 61214306 is 60341216.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 57623281 + 3591025 = 7591^2 + 1895^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61214303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15303575 + ... + 15303578.

Almost surely, 2^61214306 is an apocalyptic number.

61214306 is a deficient number, since it is larger than the sum of its proper divisors (30607156).

61214306 is a wasteful number, since it uses less digits than its factorization.

61214306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30607155.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 61214306 is about 7823.9571829094. The cubic root of 61214306 is about 394.1101712916.

The spelling of 61214306 in words is "sixty-one million, two hundred fourteen thousand, three hundred six".