61242403 has 8 divisors (see below), whose sum is σ = 63762480. Its totient is φ = 58749600.

The previous prime is 61242383. The next prime is 61242409. The reversal of 61242403 is 30424216.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61242403 - 2⁹ = 61241891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61242409) 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, 2173 + ... + 11278.

It is an arithmetic number, because the mean of its divisors is an integer number (7970310).

Almost surely, 2^61242403 is an apocalyptic number.

61242403 is a deficient number, since it is larger than the sum of its proper divisors (2520077).

61242403 is a wasteful number, since it uses less digits than its factorization.

61242403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13637.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 61242403 is about 7825.7525516719. The cubic root of 61242403 is about 394.1704601383.

Adding to 61242403 its reverse (30424216), we get a palindrome (91666619).

The spelling of 61242403 in words is "sixty-one million, two hundred forty-two thousand, four hundred three".