625402201 has 8 divisors (see below), whose sum is σ = 632104200. Its totient is φ = 618710400.

The previous prime is 625402181. The next prime is 625402207. The reversal of 625402201 is 102204526.

It can be written as a sum of positive squares in 4 ways, for example, as 255840025 + 369562176 = 15995^2 + 19224^2 .

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 625402201 - 2²¹ = 623305049 is a prime.

It is a super-2 number, since 2×625402201² = 782255826031288802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625402207) 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, 227805 + ... + 230533.

It is an arithmetic number, because the mean of its divisors is an integer number (79013025).

Almost surely, 2^625402201 is an apocalyptic number.

It is an amenable number.

625402201 is a deficient number, since it is larger than the sum of its proper divisors (6701999).

625402201 is a wasteful number, since it uses less digits than its factorization.

625402201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5099.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 625402201 is about 25008.0427262911. The cubic root of 625402201 is about 855.1713350878.

Adding to 625402201 its reverse (102204526), we get a palindrome (727606727).

The spelling of 625402201 in words is "six hundred twenty-five million, four hundred two thousand, two hundred one".