61240403 has 8 divisors (see below), whose sum is σ = 70409472. Its totient is φ = 52176456.

The previous prime is 61240397. The next prime is 61240423. The reversal of 61240403 is 30404216.

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 61240403 - 2⁸ = 61240147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61240423) 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, 25025 + ... + 27362.

It is an arithmetic number, because the mean of its divisors is an integer number (8801184).

Almost surely, 2^61240403 is an apocalyptic number.

61240403 is a deficient number, since it is larger than the sum of its proper divisors (9169069).

61240403 is a wasteful number, since it uses less digits than its factorization.

61240403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52561.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 61240403 is about 7825.6247673908. The cubic root of 61240403 is about 394.1661692686.

Adding to 61240403 its reverse (30404216), we get a palindrome (91644619).

The spelling of 61240403 in words is "sixty-one million, two hundred forty thousand, four hundred three".