625066394 has 8 divisors (see below), whose sum is σ = 946362528. Its totient is φ = 309612220.

The previous prime is 625066367. The next prime is 625066397. The reversal of 625066394 is 493660526.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (625066397) 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, 1460222 + ... + 1460649.

It is an arithmetic number, because the mean of its divisors is an integer number (118295316).

Almost surely, 2^625066394 is an apocalyptic number.

625066394 is a deficient number, since it is larger than the sum of its proper divisors (321296134).

625066394 is a wasteful number, since it uses less digits than its factorization.

625066394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920980.

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 625066394 is about 25001.3278447366. The cubic root of 625066394 is about 855.0182475045.

The spelling of 625066394 in words is "six hundred twenty-five million, sixty-six thousand, three hundred ninety-four".