625272569 has 4 divisors (see below), whose sum is σ = 625322640. Its totient is φ = 625222500.

The previous prime is 625272553. The next prime is 625272581. The reversal of 625272569 is 965272526.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 625272569 - 2⁴ = 625272553 is a prime.

It is a super-3 number, since 3×625272569³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625272169) 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, 10694 + ... + 36944.

It is an arithmetic number, because the mean of its divisors is an integer number (156330660).

Almost surely, 2^625272569 is an apocalyptic number.

It is an amenable number.

625272569 is a deficient number, since it is larger than the sum of its proper divisors (50071).

625272569 is a wasteful number, since it uses less digits than its factorization.

625272569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50070.

The product of its digits is 453600, while the sum is 44.

The square root of 625272569 is about 25005.4507857787. The cubic root of 625272569 is about 855.1122449904.

The spelling of 625272569 in words is "six hundred twenty-five million, two hundred seventy-two thousand, five hundred sixty-nine".