1025425035454 has 4 divisors (see below), whose sum is σ = 1538137553184. Its totient is φ = 512712517726.

The previous prime is 1025425035451. The next prime is 1025425035469. The reversal of 1025425035454 is 4545305245201.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1025425035454² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025425035451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256356258862 + ... + 256356258865.

It is an arithmetic number, because the mean of its divisors is an integer number (384534388296).

Almost surely, 2^{1025425035454} is an apocalyptic number.

1025425035454 is a deficient number, since it is larger than the sum of its proper divisors (512712517730).

1025425035454 is an equidigital number, since it uses as much as digits as its factorization.

1025425035454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512712517729.

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 1025425035454 in words is "one trillion, twenty-five billion, four hundred twenty-five million, thirty-five thousand, four hundred fifty-four".