625471061 has 4 divisors (see below), whose sum is σ = 625548000. Its totient is φ = 625394124.

The previous prime is 625471057. The next prime is 625471109. The reversal of 625471061 is 160174526.

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 625471061 - 2² = 625471057 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 (625471001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24611 + ... + 43088.

It is an arithmetic number, because the mean of its divisors is an integer number (156387000).

Almost surely, 2^625471061 is an apocalyptic number.

It is an amenable number.

625471061 is a deficient number, since it is larger than the sum of its proper divisors (76939).

625471061 is an equidigital number, since it uses as much as digits as its factorization.

625471061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76938.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 625471061 is about 25009.4194454809. The cubic root of 625471061 is about 855.2027201905.

The spelling of 625471061 in words is "six hundred twenty-five million, four hundred seventy-one thousand, sixty-one".