2521570073 has 8 divisors (see below), whose sum is σ = 2757373920. Its totient is φ = 2286861280.

The previous prime is 2521570049. The next prime is 2521570127. The reversal of 2521570073 is 3700751252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2521570073 - 2¹⁶ = 2521504537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2521570043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268940 + ... + 278157.

It is an arithmetic number, because the mean of its divisors is an integer number (344671740).

Almost surely, 2^2521570073 is an apocalyptic number.

It is an amenable number.

2521570073 is a deficient number, since it is larger than the sum of its proper divisors (235803847).

2521570073 is a wasteful number, since it uses less digits than its factorization.

2521570073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547527.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 2521570073 is about 50215.2374583652. The cubic root of 2521570073 is about 1361.1009814828.

The spelling of 2521570073 in words is "two billion, five hundred twenty-one million, five hundred seventy thousand, seventy-three".