625159 has 4 divisors (see below), whose sum is σ = 627120. Its totient is φ = 623200.

The previous prime is 625133. The next prime is 625169. The reversal of 625159 is 951526.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951526 = 2 ⋅475763.

It is a cyclic number.

It is not a de Polignac number, because 625159 - 2¹⁵ = 592391 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 (625109) 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, 379 + ... + 1180.

It is an arithmetic number, because the mean of its divisors is an integer number (156780).

2⁶²⁵¹⁵⁹ is an apocalyptic number.

625159 is a deficient number, since it is larger than the sum of its proper divisors (1961).

625159 is a wasteful number, since it uses less digits than its factorization.

625159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960.

The product of its digits is 2700, while the sum is 28.

The square root of 625159 is about 790.6699690769. The cubic root of 625159 is about 85.5060470171.

It can be divided in two parts, 625 and 159, that added together give a square (784 = 28²).

The spelling of 625159 in words is "six hundred twenty-five thousand, one hundred fifty-nine".