103725491 has 2 divisors, whose sum is σ = 103725492. Its totient is φ = 103725490.

The previous prime is 103725487. The next prime is 103725493. The reversal of 103725491 is 194527301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103725491 - 2² = 103725487 is a prime.

Together with 103725493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103725493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51862745 + 51862746.

It is an arithmetic number, because the mean of its divisors is an integer number (51862746).

Almost surely, 2^103725491 is an apocalyptic number.

103725491 is a deficient number, since it is larger than the sum of its proper divisors (1).

103725491 is an equidigital number, since it uses as much as digits as its factorization.

103725491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 103725491 is about 10184.5712231787. The cubic root of 103725491 is about 469.8528149355.

The spelling of 103725491 in words is "one hundred three million, seven hundred twenty-five thousand, four hundred ninety-one".