1625253301 has 16 divisors (see below), whose sum is σ = 1943748864. Its totient is φ = 1328684544.

The previous prime is 1625253299. The next prime is 1625253307. The reversal of 1625253301 is 1033525261.

It is a cyclic number.

It is not a de Polignac number, because 1625253301 - 2¹ = 1625253299 is a prime.

It is a super-2 number, since 2×1625253301² = 5282896584822793202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1625253301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625253307) 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, 42535 + ... + 71131.

It is an arithmetic number, because the mean of its divisors is an integer number (121484304).

Almost surely, 2^1625253301 is an apocalyptic number.

It is an amenable number.

1625253301 is a deficient number, since it is larger than the sum of its proper divisors (318495563).

1625253301 is a wasteful number, since it uses less digits than its factorization.

1625253301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28980.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 1625253301 is about 40314.4304312984. The cubic root of 1625253301 is about 1175.7284273972.

Adding to 1625253301 its reverse (1033525261), we get a palindrome (2658778562).

The spelling of 1625253301 in words is "one billion, six hundred twenty-five million, two hundred fifty-three thousand, three hundred one".