1625014542 has 16 divisors (see below), whose sum is σ = 3269492352. Its totient is φ = 538427640.

The previous prime is 1625014537. The next prime is 1625014579. The reversal of 1625014542 is 2454105261.

It is a super-2 number, since 2×1625014542² = 5281344523422939528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 809884 + ... + 811887.

It is an arithmetic number, because the mean of its divisors is an integer number (204343272).

Almost surely, 2^1625014542 is an apocalyptic number.

1625014542 is an abundant number, since it is smaller than the sum of its proper divisors (1644477810).

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

1625014542 is a wasteful number, since it uses less digits than its factorization.

1625014542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621943.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1625014542 is about 40311.4691124003. The cubic root of 1625014542 is about 1175.6708508355.

The spelling of 1625014542 in words is "one billion, six hundred twenty-five million, fourteen thousand, five hundred forty-two".