620427503 has 4 divisors (see below), whose sum is σ = 620529168. Its totient is φ = 620325840.

The previous prime is 620427499. The next prime is 620427541. The reversal of 620427503 is 305724026.

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 620427503 - 2² = 620427499 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 (620429503) 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, 41051 + ... + 54092.

It is an arithmetic number, because the mean of its divisors is an integer number (155132292).

Almost surely, 2^620427503 is an apocalyptic number.

620427503 is a deficient number, since it is larger than the sum of its proper divisors (101665).

620427503 is an equidigital number, since it uses as much as digits as its factorization.

620427503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101664.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 620427503 is about 24908.3821835140. The cubic root of 620427503 is about 852.8978385795.

The spelling of 620427503 in words is "six hundred twenty million, four hundred twenty-seven thousand, five hundred three".