61502003 has 2 divisors, whose sum is σ = 61502004. Its totient is φ = 61502002.

The previous prime is 61501963. The next prime is 61502041. The reversal of 61502003 is 30020516.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61502003 - 2¹⁰ = 61500979 is a prime.

It is not a weakly prime, because it can be changed into another prime (61502093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30751001 + 30751002.

It is an arithmetic number, because the mean of its divisors is an integer number (30751002).

Almost surely, 2^61502003 is an apocalyptic number.

61502003 is a deficient number, since it is larger than the sum of its proper divisors (1).

61502003 is an equidigital number, since it uses as much as digits as its factorization.

61502003 is an evil number, because the sum of its binary digits is even.

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

The square root of 61502003 is about 7842.3212762549. The cubic root of 61502003 is about 394.7266238531.

Adding to 61502003 its reverse (30020516), we get a palindrome (91522519).

The spelling of 61502003 in words is "sixty-one million, five hundred two thousand, three".