1000007625461 has 4 divisors (see below), whose sum is σ = 1076931288972. Its totient is φ = 923083961952.

The previous prime is 1000007625451. The next prime is 1000007625479. The reversal of 1000007625461 is 1645267000001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54805619236 + 945202006225 = 234106^2 + 972215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000007625461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000007625401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38461831736 + ... + 38461831761.

It is an arithmetic number, because the mean of its divisors is an integer number (269232822243).

Almost surely, 2^{1000007625461} is an apocalyptic number.

It is an amenable number.

1000007625461 is a deficient number, since it is larger than the sum of its proper divisors (76923663511).

1000007625461 is an equidigital number, since it uses as much as digits as its factorization.

1000007625461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76923663510.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 1000007625461 in words is "one trillion, seven million, six hundred twenty-five thousand, four hundred sixty-one".