63261345 has 16 divisors (see below), whose sum is σ = 115678080. Its totient is φ = 28919424.

The previous prime is 63261343. The next prime is 63261353. The reversal of 63261345 is 54316236.

It is not a de Polignac number, because 63261345 - 2¹ = 63261343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63261343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301140 + ... + 301349.

It is an arithmetic number, because the mean of its divisors is an integer number (7229880).

Almost surely, 2^63261345 is an apocalyptic number.

It is an amenable number.

63261345 is a deficient number, since it is larger than the sum of its proper divisors (52416735).

63261345 is a wasteful number, since it uses less digits than its factorization.

63261345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602504.

The product of its digits is 12960, while the sum is 30.

The square root of 63261345 is about 7953.7000823516. The cubic root of 63261345 is about 398.4551769012.

The spelling of 63261345 in words is "sixty-three million, two hundred sixty-one thousand, three hundred forty-five".