1552402125 has 128 divisors (see below), whose sum is σ = 3097036800. Its totient is φ = 764769600.

The previous prime is 1552402051. The next prime is 1552402133. The reversal of 1552402125 is 5212042551.

1552402125 is a `hidden beast` number, since 15 + 524 + 0 + 2 + 125 = 666.

It is not a de Polignac number, because 1552402125 - 2¹³ = 1552393933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2757094 + ... + 2757656.

It is an arithmetic number, because the mean of its divisors is an integer number (24195600).

Almost surely, 2^1552402125 is an apocalyptic number.

1552402125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1552402125 is a deficient number, since it is larger than the sum of its proper divisors (1544634675).

1552402125 is a wasteful number, since it uses less digits than its factorization.

1552402125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1552402125 is about 39400.5345775917. The cubic root of 1552402125 is about 1157.8920608672.

Adding to 1552402125 its reverse (5212042551), we get a palindrome (6764444676).

The spelling of 1552402125 in words is "one billion, five hundred fifty-two million, four hundred two thousand, one hundred twenty-five".