1964525601 has 8 divisors (see below), whose sum is σ = 2619670144. Its totient is φ = 1309532400.

The previous prime is 1964525597. The next prime is 1964525603. The reversal of 1964525601 is 1065254691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1964525601 - 2² = 1964525597 is a prime.

It is a super-2 number, since 2×1964525601² = 7718721673968822402, 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 1964525601.

It is not an unprimeable number, because it can be changed into a prime (1964525603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2950 + ... + 62751.

It is an arithmetic number, because the mean of its divisors is an integer number (327458768).

Almost surely, 2^1964525601 is an apocalyptic number.

It is an amenable number.

1964525601 is a deficient number, since it is larger than the sum of its proper divisors (655144543).

1964525601 is an equidigital number, since it uses as much as digits as its factorization.

1964525601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75671.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 1964525601 is about 44322.9692258991. The cubic root of 1964525601 is about 1252.4274113015.

The spelling of 1964525601 in words is "one billion, nine hundred sixty-four million, five hundred twenty-five thousand, six hundred one".