61236312 has 32 divisors (see below), whose sum is σ = 162097200. Its totient is φ = 19211264.

The previous prime is 61236299. The next prime is 61236317. The reversal of 61236312 is 21363216.

It is a happy number.

It is a super-2 number, since 2×61236312² = 7499771814722688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61236317) 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, 74637 + ... + 75452.

Almost surely, 2^61236312 is an apocalyptic number.

It is an amenable number.

61236312 is an abundant number, since it is smaller than the sum of its proper divisors (100860888).

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

61236312 is a wasteful number, since it uses less digits than its factorization.

61236312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150115 (or 150111 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

The square root of 61236312 is about 7825.3633781442. The cubic root of 61236312 is about 394.1573920038.

Adding to 61236312 its reverse (21363216), we get a palindrome (82599528).

The spelling of 61236312 in words is "sixty-one million, two hundred thirty-six thousand, three hundred twelve".