103009397 has 4 divisors (see below), whose sum is σ = 103104396. Its totient is φ = 102914400.

The previous prime is 103009367. The next prime is 103009411. The reversal of 103009397 is 793900301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46594276 + 56415121 = 6826^2 + 7511^2 .

It is a cyclic number.

It is not a de Polignac number, because 103009397 - 2⁸ = 103009141 is a prime.

It is a super-2 number, since 2×103009397² = 21221871740607218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103009337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45854 + ... + 48047.

It is an arithmetic number, because the mean of its divisors is an integer number (25776099).

Almost surely, 2^103009397 is an apocalyptic number.

It is an amenable number.

103009397 is a deficient number, since it is larger than the sum of its proper divisors (94999).

103009397 is an equidigital number, since it uses as much as digits as its factorization.

103009397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94998.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 103009397 is about 10149.3545114948. The cubic root of 103009397 is about 468.7690696361.

Adding to 103009397 its reverse (793900301), we get a palindrome (896909698).

The spelling of 103009397 in words is "one hundred three million, nine thousand, three hundred ninety-seven".