625222547 has 4 divisors (see below), whose sum is σ = 652406160. Its totient is φ = 598038936.

The previous prime is 625222487. The next prime is 625222573. The reversal of 625222547 is 745222526.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 745222526 = 2 ⋅372611263.

It is a cyclic number.

It is not a de Polignac number, because 625222547 - 2¹⁴ = 625206163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625222847) 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, 13591772 + ... + 13591817.

It is an arithmetic number, because the mean of its divisors is an integer number (163101540).

Almost surely, 2^625222547 is an apocalyptic number.

625222547 is a deficient number, since it is larger than the sum of its proper divisors (27183613).

625222547 is a wasteful number, since it uses less digits than its factorization.

625222547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27183612.

The product of its digits is 67200, while the sum is 35.

The square root of 625222547 is about 25004.4505438532. The cubic root of 625222547 is about 855.0894413004.

The spelling of 625222547 in words is "six hundred twenty-five million, two hundred twenty-two thousand, five hundred forty-seven".