103625987 has 2 divisors, whose sum is σ = 103625988. Its totient is φ = 103625986.

The previous prime is 103625957. The next prime is 103625989. The reversal of 103625987 is 789526301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103625987 - 2¹² = 103621891 is a prime.

It is a super-3 number, since 3×103625987³ (a number of 25 digits) contains 333 as substring.

Together with 103625989, 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 (103625989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51812993 + 51812994.

It is an arithmetic number, because the mean of its divisors is an integer number (51812994).

Almost surely, 2^103625987 is an apocalyptic number.

103625987 is a deficient number, since it is larger than the sum of its proper divisors (1).

103625987 is an equidigital number, since it uses as much as digits as its factorization.

103625987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 103625987 is about 10179.6850147733. The cubic root of 103625987 is about 469.7025233924.

The spelling of 103625987 in words is "one hundred three million, six hundred twenty-five thousand, nine hundred eighty-seven".