64261454 has 4 divisors (see below), whose sum is σ = 96392184. Its totient is φ = 32130726.

The previous prime is 64261451. The next prime is 64261459. The reversal of 64261454 is 45416246.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45416246 = 2 ⋅22708123.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 64261454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64261451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16065362 + ... + 16065365.

It is an arithmetic number, because the mean of its divisors is an integer number (24098046).

Almost surely, 2^64261454 is an apocalyptic number.

64261454 is a deficient number, since it is larger than the sum of its proper divisors (32130730).

64261454 is a wasteful number, since it uses less digits than its factorization.

64261454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32130729.

The product of its digits is 23040, while the sum is 32.

The square root of 64261454 is about 8016.3242199901. The cubic root of 64261454 is about 400.5439557783.

The spelling of 64261454 in words is "sixty-four million, two hundred sixty-one thousand, four hundred fifty-four".