534637903 has 4 divisors (see below), whose sum is σ = 562776760. Its totient is φ = 506499048.

The previous prime is 534637897. The next prime is 534637927. The reversal of 534637903 is 309736435.

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

It is a cyclic number.

It is not a de Polignac number, because 534637903 - 2¹⁷ = 534506831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534637973) 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, 14069400 + ... + 14069437.

It is an arithmetic number, because the mean of its divisors is an integer number (140694190).

Almost surely, 2^534637903 is an apocalyptic number.

534637903 is a deficient number, since it is larger than the sum of its proper divisors (28138857).

534637903 is a wasteful number, since it uses less digits than its factorization.

534637903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28138856.

The product of its (nonzero) digits is 204120, while the sum is 40.

The square root of 534637903 is about 23122.2382783328. The cubic root of 534637903 is about 811.6209490296.

The spelling of 534637903 in words is "five hundred thirty-four million, six hundred thirty-seven thousand, nine hundred three".