1025368254 has 64 divisors (see below), whose sum is σ = 2363385600. Its totient is φ = 329134176.

The previous prime is 1025368249. The next prime is 1025368259. The reversal of 1025368254 is 4528635201.

It is an interprime number because it is at equal distance from previous prime (1025368249) and next prime (1025368259).

It is a super-2 number, since 2×1025368254² = 2102760112622017032, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025368259) 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, 881077 + ... + 882239.

It is an arithmetic number, because the mean of its divisors is an integer number (36927900).

Almost surely, 2^1025368254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025368254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1181692800).

1025368254 is an abundant number, since it is smaller than the sum of its proper divisors (1338017346).

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

1025368254 is a wasteful number, since it uses less digits than its factorization.

1025368254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766 (or 1760 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 1025368254 is about 32021.3718319500. The cubic root of 1025368254 is about 1008.3855703254.

The spelling of 1025368254 in words is "one billion, twenty-five million, three hundred sixty-eight thousand, two hundred fifty-four".