2521074405 has 16 divisors (see below), whose sum is σ = 4034381760. Its totient is φ = 1344352128.

The previous prime is 2521074359. The next prime is 2521074469. The reversal of 2521074405 is 5044701252.

It is not a de Polignac number, because 2521074405 - 2⁶ = 2521074341 is a prime.

It is a super-2 number, since 2×2521074405² = 12711632311092208050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126609 + ... + 145161.

It is an arithmetic number, because the mean of its divisors is an integer number (252148860).

Almost surely, 2^2521074405 is an apocalyptic number.

It is an amenable number.

2521074405 is a deficient number, since it is larger than the sum of its proper divisors (1513307355).

2521074405 is a wasteful number, since it uses less digits than its factorization.

2521074405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27620.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 2521074405 is about 50210.3017816065. The cubic root of 2521074405 is about 1361.0117912306.

Adding to 2521074405 its reverse (5044701252), we get a palindrome (7565775657).

The spelling of 2521074405 in words is "two billion, five hundred twenty-one million, seventy-four thousand, four hundred five".