1625155245 has 40 divisors (see below), whose sum is σ = 3329424384. Its totient is φ = 742926816.

The previous prime is 1625155211. The next prime is 1625155327. The reversal of 1625155245 is 5425515261.

1625155245 is a `hidden beast` number, since 1 + 62 + 5 + 1 + 552 + 45 = 666.

It is not a de Polignac number, because 1625155245 - 2⁷ = 1625155117 is a prime.

It is a super-2 number, since 2×1625155245² = 5282259140702020050, 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 39 ways as a sum of consecutive naturals, for example, 283789 + ... + 289458.

Almost surely, 2^1625155245 is an apocalyptic number.

1625155245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1625155245 is an abundant number, since it is smaller than the sum of its proper divisors (1704269139).

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

1625155245 is an equidigital number, since it uses as much as digits as its factorization.

1625155245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573271 (or 573262 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The square root of 1625155245 is about 40313.2142727419. The cubic root of 1625155245 is about 1175.7047819455.

The spelling of 1625155245 in words is "one billion, six hundred twenty-five million, one hundred fifty-five thousand, two hundred forty-five".