620652453 has 4 divisors (see below), whose sum is σ = 827536608. Its totient is φ = 413768300.

The previous prime is 620652451. The next prime is 620652479. The reversal of 620652453 is 354256026.

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.

It is a cyclic number.

It is not a de Polignac number, because 620652453 - 2¹ = 620652451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620652451) 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, 103442073 + ... + 103442078.

It is an arithmetic number, because the mean of its divisors is an integer number (206884152).

Almost surely, 2^620652453 is an apocalyptic number.

It is an amenable number.

620652453 is a deficient number, since it is larger than the sum of its proper divisors (206884155).

620652453 is a wasteful number, since it uses less digits than its factorization.

620652453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206884154.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 620652453 is about 24912.8973224713. The cubic root of 620652453 is about 853.0009052471. Note that the first 3 decimals are identical.

The spelling of 620652453 in words is "six hundred twenty million, six hundred fifty-two thousand, four hundred fifty-three".