625421363 has 8 divisors (see below), whose sum is σ = 716607840. Its totient is φ = 534695040.

The previous prime is 625421353. The next prime is 625421387. The reversal of 625421363 is 363124526.

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

It is a cyclic number.

It is not a de Polignac number, because 625421363 - 2¹⁸ = 625159219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625421333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112118 + ... + 117563.

It is an arithmetic number, because the mean of its divisors is an integer number (89575980).

Almost surely, 2^625421363 is an apocalyptic number.

625421363 is a deficient number, since it is larger than the sum of its proper divisors (91186477).

625421363 is a wasteful number, since it uses less digits than its factorization.

625421363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230077.

The product of its digits is 25920, while the sum is 32.

The square root of 625421363 is about 25008.4258401044. The cubic root of 625421363 is about 855.1800690010.

Adding to 625421363 its reverse (363124526), we get a palindrome (988545889).

The spelling of 625421363 in words is "six hundred twenty-five million, four hundred twenty-one thousand, three hundred sixty-three".