42653503 has 4 divisors (see below), whose sum is σ = 42811168. Its totient is φ = 42495840.

The previous prime is 42653497. The next prime is 42653509. The reversal of 42653503 is 30535624.

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

It is an interprime number because it is at equal distance from previous prime (42653497) and next prime (42653509).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42653503 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 (42653509) 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, 78426 + ... + 78967.

It is an arithmetic number, because the mean of its divisors is an integer number (10702792).

Almost surely, 2^42653503 is an apocalyptic number.

42653503 is a deficient number, since it is larger than the sum of its proper divisors (157665).

42653503 is a wasteful number, since it uses less digits than its factorization.

42653503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157664.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 42653503 is about 6530.9649363628. The cubic root of 42653503 is about 349.3962461918.

The spelling of 42653503 in words is "forty-two million, six hundred fifty-three thousand, five hundred three".