609948001 has 4 divisors (see below), whose sum is σ = 656867092. Its totient is φ = 563028912.

The previous prime is 609947969. The next prime is 609948011. The reversal of 609948001 is 100849906.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100849906 = 2 ⋅50424953.

It can be written as a sum of positive squares in 2 ways, for example, as 84621601 + 525326400 = 9199^2 + 22920^2 .

It is a cyclic number.

It is not a de Polignac number, because 609948001 - 2⁵ = 609947969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (609948011) 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, 23459526 + ... + 23459551.

It is an arithmetic number, because the mean of its divisors is an integer number (164216773).

Almost surely, 2^609948001 is an apocalyptic number.

It is an amenable number.

609948001 is a deficient number, since it is larger than the sum of its proper divisors (46919091).

609948001 is a wasteful number, since it uses less digits than its factorization.

609948001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46919090.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 609948001 is about 24697.1253590372. The cubic root of 609948001 is about 848.0685098211.

The spelling of 609948001 in words is "six hundred nine million, nine hundred forty-eight thousand, one".