61450313 has 4 divisors (see below), whose sum is σ = 64684560. Its totient is φ = 58216068.

The previous prime is 61450307. The next prime is 61450321. The reversal of 61450313 is 31305416.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61450313 - 2⁸ = 61450057 is a prime.

It is a super-2 number, since 2×61450313² = 7552281935595938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61450343) 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, 1617095 + ... + 1617132.

It is an arithmetic number, because the mean of its divisors is an integer number (16171140).

Almost surely, 2^61450313 is an apocalyptic number.

It is an amenable number.

61450313 is a deficient number, since it is larger than the sum of its proper divisors (3234247).

61450313 is a wasteful number, since it uses less digits than its factorization.

61450313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234246.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 61450313 is about 7839.0250031493. The cubic root of 61450313 is about 394.6160088219.

Adding to 61450313 its reverse (31305416), we get a palindrome (92755729).

The spelling of 61450313 in words is "sixty-one million, four hundred fifty thousand, three hundred thirteen".