1025636741 has 4 divisors (see below), whose sum is σ = 1085968332. Its totient is φ = 965305152.

The previous prime is 1025636687. The next prime is 1025636749. The reversal of 1025636741 is 1476365201.

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 310288225 + 715348516 = 17615^2 + 26746^2 .

It is not a de Polignac number, because 1025636741 - 2¹⁰ = 1025635717 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 (1025636749) 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, 30165770 + ... + 30165803.

It is an arithmetic number, because the mean of its divisors is an integer number (271492083).

Almost surely, 2^1025636741 is an apocalyptic number.

It is an amenable number.

1025636741 is a deficient number, since it is larger than the sum of its proper divisors (60331591).

1025636741 is an equidigital number, since it uses as much as digits as its factorization.

1025636741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60331590.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 1025636741 is about 32025.5638670110. The cubic root of 1025636741 is about 1008.4735760373.

The spelling of 1025636741 in words is "one billion, twenty-five million, six hundred thirty-six thousand, seven hundred forty-one".