61413212 has 24 divisors (see below), whose sum is σ = 123002880. Its totient is φ = 26282160.

The previous prime is 61413211. The next prime is 61413217. The reversal of 61413212 is 21231416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61413211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28037 + ... + 30147.

It is an arithmetic number, because the mean of its divisors is an integer number (5125120).

Almost surely, 2^61413212 is an apocalyptic number.

It is an amenable number.

61413212 is an abundant number, since it is smaller than the sum of its proper divisors (61589668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61413212 is a wasteful number, since it uses less digits than its factorization.

61413212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161 (or 3159 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 61413212 is about 7836.6582163573. The cubic root of 61413212 is about 394.5365755623.

Adding to 61413212 its reverse (21231416), we get a palindrome (82644628).

The spelling of 61413212 in words is "sixty-one million, four hundred thirteen thousand, two hundred twelve".