61623301 has 4 divisors (see below), whose sum is σ = 61674912. Its totient is φ = 61571692.

The previous prime is 61623229. The next prime is 61623311. The reversal of 61623301 is 10332616.

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 61623301 - 2¹⁷ = 61492229 is a prime.

It is a super-2 number, since 2×61623301² = 7594862452273202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61623311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23971 + ... + 26416.

It is an arithmetic number, because the mean of its divisors is an integer number (15418728).

Almost surely, 2^61623301 is an apocalyptic number.

It is an amenable number.

61623301 is a deficient number, since it is larger than the sum of its proper divisors (51611).

61623301 is a wasteful number, since it uses less digits than its factorization.

61623301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51610.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 61623301 is about 7850.0510189425. The cubic root of 61623301 is about 394.9859547428.

Adding to 61623301 its reverse (10332616), we get a palindrome (71955917).

The spelling of 61623301 in words is "sixty-one million, six hundred twenty-three thousand, three hundred one".