63250405 has 4 divisors (see below), whose sum is σ = 75900492. Its totient is φ = 50600320.

The previous prime is 63250393. The next prime is 63250417. The reversal of 63250405 is 50405236.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (63250393) and next prime (63250417).

It can be written as a sum of positive squares in 2 ways, for example, as 22877089 + 40373316 = 4783^2 + 6354^2 .

It is not a de Polignac number, because 63250405 - 2¹¹ = 63248357 is a prime.

It is a super-2 number, since 2×63250405² = 8001227465328050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63250405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6325036 + ... + 6325045.

It is an arithmetic number, because the mean of its divisors is an integer number (18975123).

Almost surely, 2^63250405 is an apocalyptic number.

It is an amenable number.

63250405 is a deficient number, since it is larger than the sum of its proper divisors (12650087).

63250405 is a wasteful number, since it uses less digits than its factorization.

63250405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12650086.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 63250405 is about 7953.0123223845. The cubic root of 63250405 is about 398.4322068398.

The spelling of 63250405 in words is "sixty-three million, two hundred fifty thousand, four hundred five".