7625052121 has 8 divisors (see below), whose sum is σ = 7814016000. Its totient is φ = 7436230560.

The previous prime is 7625052119. The next prime is 7625052133. The reversal of 7625052121 is 1212505267.

7625052121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 7625052121 - 2¹ = 7625052119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7625052181) 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, 77280 + ... + 145678.

It is an arithmetic number, because the mean of its divisors is an integer number (976752000).

Almost surely, 2^7625052121 is an apocalyptic number.

It is an amenable number.

7625052121 is a deficient number, since it is larger than the sum of its proper divisors (188963879).

7625052121 is a wasteful number, since it uses less digits than its factorization.

7625052121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71159.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 7625052121 is about 87321.5444263327. The cubic root of 7625052121 is about 1968.2530762222.

Adding to 7625052121 its reverse (1212505267), we get a palindrome (8837557388).

The spelling of 7625052121 in words is "seven billion, six hundred twenty-five million, fifty-two thousand, one hundred twenty-one".