625416271 has 4 divisors (see below), whose sum is σ = 637216632. Its totient is φ = 613615912.

The previous prime is 625416229. The next prime is 625416277. The reversal of 625416271 is 172614526.

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 625416271 - 2¹³ = 625408079 is a prime.

It is a super-2 number, since 2×625416271² = 782291024063090882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625416277) 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, 5900101 + ... + 5900206.

It is an arithmetic number, because the mean of its divisors is an integer number (159304158).

Almost surely, 2^625416271 is an apocalyptic number.

625416271 is a deficient number, since it is larger than the sum of its proper divisors (11800361).

625416271 is a wasteful number, since it uses less digits than its factorization.

625416271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11800360.

The product of its digits is 20160, while the sum is 34.

The square root of 625416271 is about 25008.3240342091. The cubic root of 625416271 is about 855.1777481184.

The spelling of 625416271 in words is "six hundred twenty-five million, four hundred sixteen thousand, two hundred seventy-one".