535138787 has 4 divisors (see below), whose sum is σ = 543911616. Its totient is φ = 526365960.

The previous prime is 535138783. The next prime is 535138817. The reversal of 535138787 is 787831535.

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 535138787 - 2² = 535138783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (535138783) 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, 4386323 + ... + 4386444.

It is an arithmetic number, because the mean of its divisors is an integer number (135977904).

Almost surely, 2^535138787 is an apocalyptic number.

535138787 is a deficient number, since it is larger than the sum of its proper divisors (8772829).

535138787 is an equidigital number, since it uses as much as digits as its factorization.

535138787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8772828.

The product of its digits is 705600, while the sum is 47.

The square root of 535138787 is about 23133.0669605221. The cubic root of 535138787 is about 811.8743299048.

The spelling of 535138787 in words is "five hundred thirty-five million, one hundred thirty-eight thousand, seven hundred eighty-seven".