61241903 has 2 divisors, whose sum is σ = 61241904. Its totient is φ = 61241902.

The previous prime is 61241891. The next prime is 61241909. The reversal of 61241903 is 30914216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61241903 - 2⁶ = 61241839 is a prime.

It is a super-2 number, since 2×61241903² = 7501141366122818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61241909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30620951 + 30620952.

It is an arithmetic number, because the mean of its divisors is an integer number (30620952).

Almost surely, 2^61241903 is an apocalyptic number.

61241903 is a deficient number, since it is larger than the sum of its proper divisors (1).

61241903 is an equidigital number, since it uses as much as digits as its factorization.

61241903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 61241903 is about 7825.7206057973. The cubic root of 61241903 is about 394.1693874296.

The spelling of 61241903 in words is "sixty-one million, two hundred forty-one thousand, nine hundred three".