701521066 has 4 divisors (see below), whose sum is σ = 1052281602. Its totient is φ = 350760532.

The previous prime is 701521043. The next prime is 701521081. The reversal of 701521066 is 660125107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 660125107 = 2381 ⋅277247.

It can be written as a sum of positive squares in only one way, i.e., 468073225 + 233447841 = 21635^2 + 15279^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175380265 + ... + 175380268.

Almost surely, 2^701521066 is an apocalyptic number.

701521066 is a deficient number, since it is larger than the sum of its proper divisors (350760536).

701521066 is a wasteful number, since it uses less digits than its factorization.

701521066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350760535.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 701521066 is about 26486.2429574298. The cubic root of 701521066 is about 888.5466605680.

The spelling of 701521066 in words is "seven hundred one million, five hundred twenty-one thousand, sixty-six".