625404126 has 32 divisors (see below), whose sum is σ = 1355194368. Its totient is φ = 191640960.

The previous prime is 625404121. The next prime is 625404127. The reversal of 625404126 is 621404526.

It is a super-2 number, since 2×625404126² = 782260641635647752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 625404093 and 625404102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625404121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66910 + ... + 75681.

It is an arithmetic number, because the mean of its divisors is an integer number (42349824).

Almost surely, 2^625404126 is an apocalyptic number.

625404126 is an abundant number, since it is smaller than the sum of its proper divisors (729790242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625404126 is a wasteful number, since it uses less digits than its factorization.

625404126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142656.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 625404126 is about 25008.0812138796. The cubic root of 625404126 is about 855.1722124981.

It can be divided in two parts, 62540 and 4126, that added together give a palindrome (66666).

The spelling of 625404126 in words is "six hundred twenty-five million, four hundred four thousand, one hundred twenty-six".