1025610630 has 64 divisors (see below), whose sum is σ = 2747720448. Its totient is φ = 242847360.

The previous prime is 1025610623. The next prime is 1025610631. The reversal of 1025610630 is 360165201.

It is a self number, because there is not a number n which added to its sum of digits gives 1025610630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025610631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21949 + ... + 50328.

It is an arithmetic number, because the mean of its divisors is an integer number (42933132).

Almost surely, 2^1025610630 is an apocalyptic number.

1025610630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025610630 is an abundant number, since it is smaller than the sum of its proper divisors (1722109818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1025610630 is a wasteful number, since it uses less digits than its factorization.

1025610630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72341.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1025610630 is about 32025.1562057080. The cubic root of 1025610630 is about 1008.4650179466.

Adding to 1025610630 its reverse (360165201), we get a palindrome (1385775831).

The spelling of 1025610630 in words is "one billion, twenty-five million, six hundred ten thousand, six hundred thirty".