63632465 has 16 divisors (see below), whose sum is σ = 82418448. Its totient is φ = 46884096.

The previous prime is 63632453. The next prime is 63632477. The reversal of 63632465 is 56423636.

It is an interprime number because it is at equal distance from previous prime (63632453) and next prime (63632477).

It can be written as a sum of positive squares in 8 ways, for example, as 32171584 + 31460881 = 5672^2 + 5609^2 .

It is a cyclic number.

It is not a de Polignac number, because 63632465 - 2⁴ = 63632449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39047 + ... + 40643.

It is an arithmetic number, because the mean of its divisors is an integer number (5151153).

Almost surely, 2^63632465 is an apocalyptic number.

63632465 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

63632465 is a deficient number, since it is larger than the sum of its proper divisors (18785983).

63632465 is a wasteful number, since it uses less digits than its factorization.

63632465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228.

The product of its digits is 77760, while the sum is 35.

The square root of 63632465 is about 7976.9959884658. The cubic root of 63632465 is about 399.2328316558.

The spelling of 63632465 in words is "sixty-three million, six hundred thirty-two thousand, four hundred sixty-five".