2625305642 has 4 divisors (see below), whose sum is σ = 3937958466. Its totient is φ = 1312652820.

The previous prime is 2625305623. The next prime is 2625305651. The reversal of 2625305642 is 2465035262.

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

It can be written as a sum of positive squares in only one way, i.e., 1391961481 + 1233344161 = 37309^2 + 35119^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656326409 + ... + 656326412.

Almost surely, 2^2625305642 is an apocalyptic number.

2625305642 is a deficient number, since it is larger than the sum of its proper divisors (1312652824).

2625305642 is a wasteful number, since it uses less digits than its factorization.

2625305642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312652823.

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 2625305642 is about 51237.7365034795. The cubic root of 2625305642 is about 1379.5156253574.

The spelling of 2625305642 in words is "two billion, six hundred twenty-five million, three hundred five thousand, six hundred forty-two".