1047400025 has 12 divisors (see below), whose sum is σ = 1484315712. Its totient is φ = 718217040.

The previous prime is 1047399979. The next prime is 1047400087. The reversal of 1047400025 is 5200047401.

It is not a de Polignac number, because 1047400025 - 2⁶ = 1047399961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2992397 + ... + 2992746.

It is an arithmetic number, because the mean of its divisors is an integer number (123692976).

Almost surely, 2^1047400025 is an apocalyptic number.

It is an amenable number.

1047400025 is a deficient number, since it is larger than the sum of its proper divisors (436915687).

1047400025 is an equidigital number, since it uses as much as digits as its factorization.

1047400025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5985160 (or 5985155 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 1047400025 is about 32363.5601409981. The cubic root of 1047400025 is about 1015.5567411640.

Adding to 1047400025 its reverse (5200047401), we get a palindrome (6247447426).

The spelling of 1047400025 in words is "one billion, forty-seven million, four hundred thousand, twenty-five".