43401002 has 4 divisors (see below), whose sum is σ = 65101506. Its totient is φ = 21700500.

The previous prime is 43400999. The next prime is 43401031. The reversal of 43401002 is 20010434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20010434 = 2 ⋅10005217.

It can be written as a sum of positive squares in only one way, i.e., 30791401 + 12609601 = 5549^2 + 3551^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10850249 + ... + 10850252.

Almost surely, 2^43401002 is an apocalyptic number.

43401002 is a deficient number, since it is larger than the sum of its proper divisors (21700504).

43401002 is a wasteful number, since it uses less digits than its factorization.

43401002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21700503.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 43401002 is about 6587.9436852481. The cubic root of 43401002 is about 351.4254843469.

Adding to 43401002 its reverse (20010434), we get a palindrome (63411436).

The spelling of 43401002 in words is "forty-three million, four hundred one thousand, two".