1625353542 has 24 divisors (see below), whose sum is σ = 3525378480. Its totient is φ = 541203120.

The previous prime is 1625353463. The next prime is 1625353571. The reversal of 1625353542 is 2453535261.

1625353542 is a `hidden beast` number, since 1 + 62 + 5 + 3 + 53 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1625353497 and 1625353506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31042 + ... + 64917.

It is an arithmetic number, because the mean of its divisors is an integer number (146890770).

Almost surely, 2^1625353542 is an apocalyptic number.

1625353542 is an abundant number, since it is smaller than the sum of its proper divisors (1900024938).

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

1625353542 is a wasteful number, since it uses less digits than its factorization.

1625353542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96908 (or 96905 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 1625353542 is about 40315.6736518193. The cubic root of 1625353542 is about 1175.7525987618.

The spelling of 1625353542 in words is "one billion, six hundred twenty-five million, three hundred fifty-three thousand, five hundred forty-two".