64954425 has 48 divisors (see below), whose sum is σ = 111957120. Its totient is φ = 33200640.

The previous prime is 64954411. The next prime is 64954429. The reversal of 64954425 is 52445946.

It is a happy number.

It is not a de Polignac number, because 64954425 - 2¹⁹ = 64430137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64954429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 246844 + ... + 247106.

It is an arithmetic number, because the mean of its divisors is an integer number (2332440).

Almost surely, 2^64954425 is an apocalyptic number.

It is an amenable number.

64954425 is a deficient number, since it is larger than the sum of its proper divisors (47002695).

64954425 is a wasteful number, since it uses less digits than its factorization.

64954425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 397 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 64954425 is about 8059.4308111677. The cubic root of 64954425 is about 401.9785823098.

The spelling of 64954425 in words is "sixty-four million, nine hundred fifty-four thousand, four hundred twenty-five".