1054400425 has 24 divisors (see below), whose sum is σ = 1416534336. Its totient is φ = 773931840.

The previous prime is 1054400423. The next prime is 1054400447. The reversal of 1054400425 is 5240044501.

It is a happy number.

It is not a de Polignac number, because 1054400425 - 2¹ = 1054400423 is a prime.

It is a super-2 number, since 2×1054400425² = 2223520512480361250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1054400425.

It is not an unprimeable number, because it can be changed into a prime (1054400423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44562 + ... + 63988.

It is an arithmetic number, because the mean of its divisors is an integer number (59022264).

Almost surely, 2^1054400425 is an apocalyptic number.

It is an amenable number.

1054400425 is a deficient number, since it is larger than the sum of its proper divisors (362133911).

1054400425 is a wasteful number, since it uses less digits than its factorization.

1054400425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19617 (or 19612 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 1054400425 is about 32471.5325323582. The cubic root of 1054400425 is about 1017.8142433018.

Adding to 1054400425 its reverse (5240044501), we get a palindrome (6294444926).

The spelling of 1054400425 in words is "one billion, fifty-four million, four hundred thousand, four hundred twenty-five".