1025451404 has 6 divisors (see below), whose sum is σ = 1794539964. Its totient is φ = 512725700.

The previous prime is 1025451353. The next prime is 1025451409. The reversal of 1025451404 is 4041545201.

It is not an unprimeable number, because it can be changed into a prime (1025451409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128181422 + ... + 128181429.

It is an arithmetic number, because the mean of its divisors is an integer number (299089994).

Almost surely, 2^1025451404 is an apocalyptic number.

It is an amenable number.

1025451404 is a deficient number, since it is larger than the sum of its proper divisors (769088560).

1025451404 is a wasteful number, since it uses less digits than its factorization.

1025451404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256362855 (or 256362853 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1025451404 is about 32022.6701572495. The cubic root of 1025451404 is about 1008.4128271974.

Adding to 1025451404 its reverse (4041545201), we get a palindrome (5066996605).

The spelling of 1025451404 in words is "one billion, twenty-five million, four hundred fifty-one thousand, four hundred four".