61394212 has 12 divisors (see below), whose sum is σ = 117207216. Its totient is φ = 27906440.

The previous prime is 61394209. The next prime is 61394219. The reversal of 61394212 is 21249316.

It is not an unprimeable number, because it can be changed into a prime (61394219) 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, 697618 + ... + 697705.

It is an arithmetic number, because the mean of its divisors is an integer number (9767268).

Almost surely, 2^61394212 is an apocalyptic number.

It is an amenable number.

61394212 is a deficient number, since it is larger than the sum of its proper divisors (55813004).

61394212 is a wasteful number, since it uses less digits than its factorization.

61394212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395338 (or 1395336 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 61394212 is about 7835.4458711678. The cubic root of 61394212 is about 394.4958841655.

Subtracting from 61394212 its reverse (21249316), we obtain a square (40144896 = 6336²).

The spelling of 61394212 in words is "sixty-one million, three hundred ninety-four thousand, two hundred twelve".