103137553 has 4 divisors (see below), whose sum is σ = 103258480. Its totient is φ = 103016628.

The previous prime is 103137547. The next prime is 103137557. The reversal of 103137553 is 355731301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 355731301 = 97 ⋅3667333.

It is a cyclic number.

It is not a de Polignac number, because 103137553 - 2¹⁷ = 103006481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103137557) 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, 59175 + ... + 60892.

It is an arithmetic number, because the mean of its divisors is an integer number (25814620).

Almost surely, 2^103137553 is an apocalyptic number.

It is an amenable number.

103137553 is a deficient number, since it is larger than the sum of its proper divisors (120927).

103137553 is an equidigital number, since it uses as much as digits as its factorization.

103137553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120926.

The product of its (nonzero) digits is 4725, while the sum is 28.

The square root of 103137553 is about 10155.6660539819. Note that the first 3 decimals coincide. The cubic root of 103137553 is about 468.9633906531.

Adding to 103137553 its reverse (355731301), we get a palindrome (458868854).

The spelling of 103137553 in words is "one hundred three million, one hundred thirty-seven thousand, five hundred fifty-three".