63573901 has 4 divisors (see below), whose sum is σ = 65624704. Its totient is φ = 61523100.

The previous prime is 63573899. The next prime is 63573911. The reversal of 63573901 is 10937536.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63573901 - 2¹ = 63573899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63573911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1025355 + ... + 1025416.

It is an arithmetic number, because the mean of its divisors is an integer number (16406176).

Almost surely, 2^63573901 is an apocalyptic number.

It is an amenable number.

63573901 is a deficient number, since it is larger than the sum of its proper divisors (2050803).

63573901 is a wasteful number, since it uses less digits than its factorization.

63573901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050802.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 63573901 is about 7973.3243380663. The cubic root of 63573901 is about 399.1103163747.

The spelling of 63573901 in words is "sixty-three million, five hundred seventy-three thousand, nine hundred one".