61250003 has 2 divisors, whose sum is σ = 61250004. Its totient is φ = 61250002.

The previous prime is 61249999. The next prime is 61250029. The reversal of 61250003 is 30005216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61250003 - 2² = 61249999 is a prime.

It is not a weakly prime, because it can be changed into another prime (61250093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30625001 + 30625002.

It is an arithmetic number, because the mean of its divisors is an integer number (30625002).

Almost surely, 2^61250003 is an apocalyptic number.

61250003 is a deficient number, since it is larger than the sum of its proper divisors (1).

61250003 is an equidigital number, since it uses as much as digits as its factorization.

61250003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 61250003 is about 7826.2381129122. The cubic root of 61250003 is about 394.1867645910.

Adding to 61250003 its reverse (30005216), we get a palindrome (91255219).

The spelling of 61250003 in words is "sixty-one million, two hundred fifty thousand, three".