1025453401 has 8 divisors (see below), whose sum is σ = 1172174144. Its totient is φ = 878789520.

The previous prime is 1025453399. The next prime is 1025453423. The reversal of 1025453401 is 1043545201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1025453401 - 2¹ = 1025453399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025453491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36511 + ... + 58171.

It is an arithmetic number, because the mean of its divisors is an integer number (146521768).

Almost surely, 2^1025453401 is an apocalyptic number.

It is an amenable number.

1025453401 is a deficient number, since it is larger than the sum of its proper divisors (146720743).

1025453401 is an equidigital number, since it uses as much as digits as its factorization.

1025453401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28431.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1025453401 is about 32022.7013382694. The cubic root of 1025453401 is about 1008.4134818031.

Adding to 1025453401 its reverse (1043545201), we get a palindrome (2068998602).

The spelling of 1025453401 in words is "one billion, twenty-five million, four hundred fifty-three thousand, four hundred one".